• 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11-icosafluoroundecan-1-ol
• 307-70-0
• C₁₁H₄F₂₀O
• 

• 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11-icosafluoroundecanoic acid
• 1765-48-6
• C₁₁H₂F₂₀O₂
• 

• 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11-icosafluoroundecanoyl
  chloride
• 2248-93-3
• C₁₁HClF₂₀O
• 

• 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11-icosafluoroundecyl
  prop-2-enoate
• 4998-38-3
• C₁₄H₆F₂₀O₂
• 

• 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-heptadecafluorononan-1-ol
• 423-56-3
• C₉H₃F₁₇O
• 

• 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-heptadecafluorononanoic acid
• 375-95-1
• C₉HF₁₇O₂
• 

• 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9-hexadecafluorodecane-1,10-diol
• 754-96-1
• C₁₀H₆F₁₆O₂
• 

• 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9-hexadecafluorodecanedioic acid
• 307-78-8
• C₁₀H₂F₁₆O₄
• 

• 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9-hexadecafluorononan-1-ol
• 376-18-1
• C₉H₄F₁₆O
• 

• 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9-hexadecafluorononanoic acid
• 76-21-1
• C₉H₂F₁₆O₂
• 

• 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9-hexadecafluorononanoyl chloride
• 423-95-0
• C₉HClF₁₆O
• 

• 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9-hexadecafluorononyl prop-2-enoate
• 4180-26-1
• C₁₂H₆F₁₆O₂
• 

• 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9-hexadecafluorononyl
  2-methylprop-2-enoate
• 1841-46-9
• C₁₃H₈F₁₆O₂
• 

• 2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptan-1-ol
• 335-99-9
• C₇H₄F₁₂O
• 

• 2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptanal
• 647-44-9
• C₇H₂F₁₂O
• 

• 2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptanoic acid
• 1546-95-8
• C₇H₂F₁₂O₂
• 

• 2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptanoyl chloride
• 41405-35-0
• C₇HClF₁₂O
• 

• 2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptyl 2-methylprop-2-enoate
• 2261-99-6
• C₁₁H₈F₁₂O₂
• 

• 2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptyl prop-2-enoate
• 2993-85-3
• C₁₀H₆F₁₂O₂
• 

• 2,2,3,3,4,4,5,5,6,6,7,7-dodecafluorooctanedioic acid
• 678-45-5
• C₈H₂F₁₂O₄
• 

• 2,2,3,3,4,4,5,5-octafluoropentan-1-ol
• 355-80-6
• C₅H₄F₈O
• 

• 2,2,3,3,4,4,5,5-octafluoropentanoic acid
• 376-72-7
• C₅H₂F₈O₂
• 

• 2,2,3,3,4,4,5,5-octafluoropentyl 2-methylprop-2-enoate
• 355-93-1
• C₉H₈F₈O₂
• 

• 2,2,3,3,4,4-hexafluoropentane-1,5-diol
• 376-90-9
• C₅H₆F₆O₂
• 

• 2,2,3,3,4,4-hexafluoropentanediamide
• 507-68-6
• C₅H₄F₆N₂O₂
• 

• 2,2,3,3,4,4-hexafluoropentanedioic acid
• 376-73-8
• C₅H₂F₆O₄
• 

• 2,2,3,3,4,4-hexafluoropentanedioyl difluoride
• 678-78-4
• C₅F₈O₂
• 

• 2,2,3,3,5,5,6,6-octadeuterio-1,4-dioxane
• 17647-74-4
• C₄H₈O₂
• 

• 2,2,3,3-tetradeuteriobutane-1,4-diol
• 38274-25-8
• C₄H₁₀O₂
• 

• 2,2,3,3-tetrafluoropropan-1-ol
• 76-37-9
• C₃H₄F₄O
• 

• 2,2,3,3-tetrafluoropropyl 2-methylprop-2-enoate
• 45102-52-1
• C₇H₈F₄O₂
• 

• 2,2,3,3-tetramethylcyclopropane-1-carboxylic acid
• 15641-58-4
• C₈H₁₄O₂
• 

• 2,2,3,4,4,4-Hexafluorobutyl methacrylate
• 36405-47-7
• C8H8F6O2
• 

• 2,2,3,4,4,4-hexafluorobutan-1-ol
• 382-31-0
• C₄H₄F₆O
• 

• 2,2,3,4,4,4-hexafluorobutyl prop-2-enoate
• 54052-90-3
• C₇H₆F₆O₂
• 

• 2,2,3-tribromobutane
• 62127-47-3
• C₄H₇Br₃
• 

• 2,2,3-trichloro-1,1,1,3,4,4,4-heptafluorobutane
• 335-44-4
• C₄Cl₃F₇
• 

• 2,2,3-trifluoro-3-(trifluoromethyl)oxirane
• 428-59-1
• C₃F₆O
• 

• 2,2,4,4,6,6,8,8,10,10,12,12-dodecamethyl-1,3,5,7,9,11-hexaoxa-2,4,6,8,
  10,12-hexasilacyclododecane
• 540-97-6
• C₁₂H₃₆O₆Si₆
• 

• 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,
  10-pentaoxapentasilecane
• 541-02-6
• C₁₀H₃₀O₅Si₅
• 

• 2,2,4,4,6,6,8,8-octakis-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
• 546-56-5
• C₄₈H₄₀O₄Si₄
• 

• 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
• 556-67-2
• C₈H₂₄O₄Si₄
• 

• 2,2,4,4,6,6-hexachloro-1,3,5-triaza-2λ
• 940-71-6
• Cl₆N₃P₃
• 

• 2,2,4,4,6,6-hexaethyl-1,3,5,2,4,6-trioxatrisilinane
• 2031-79-0
• C₁₂H₃₀O₃Si₃
• 

• 2,2,4,4,6,6-hexakis-phenyl-1,3,5,2,4,6-trioxatrisilinane
• 512-63-0
• C₃₆H₃₀O₃Si₃
• 

• 2,2,4,4,6,6-hexamethyl-1,3,5,2,4,6-triazatrisilinane
• 1009-93-4
• C₆H₂₁N₃Si₃
• 

• 2,2,4,4,6,6-hexamethyl-1,3,5,2,4,6-trioxatrisilinane
• 541-05-9
• C₆H₁₈O₃Si₃
• 

• 2,2,4,4,6,6-hexamethyl-1,3,5-trithiane
• 828-26-2
• C₉H₁₈S₃
• 

• 2,2,4,4,6,6-hexamethylcyclohexane-1,3,5-trione
• 778-18-7
• C₁₂H₁₈O₃
• 

• 2,2,4,4,6,8,8-heptamethylnonane
• 4390-04-9
• C₁₆H₃₄
• 

• 2,2,4,4-tetrafluoro-1,3-benzodioxin-6-amine
• 25854-59-5
• C₈H₅F₄NO₂
• 

• 2,2,4,4-tetramethyl-6,6,8,8-tetraphenyl-1,3,5,7,2,4,6,
  8-tetraoxatetrasilocane
• 1693-47-6
• C₂₈H₃₂O₄Si₄
• 

• 2,2,4,4-tetramethylpentan-3-one
• 815-24-7
• C₉H₁₈O
• 

• 2,2,4,6,6-pentamethylheptane
• 13475-82-6
• C₁₂H₂₆
• 

• 2,2,4,6,7-pentamethyl-3H-1-benzofuran-5-sulfonyl chloride
• 154445-78-0
• C₁₃H₁₇ClO₃S
• 

• 2,2,4-Trimethyl-1,3-pentanediol diisobutyrate
• 6846-50-0
• C16H30O4
• 

• 2,2,4-Trimethyl-1,3-pentanediolmono(2-methylpropanoate)
• 25265-77-4
• C12H24O3
• 

• 2,2,4-trimethyl-1,3-dioxolane
• 1193-11-9
• C₆H₁₂O₂
• 

• 2,2,4-trimethyl-1,4,2-oxazasilinane
• 10196-49-3
• C₆H₁₅NOSi
• 

• 2,2,4-trimethyl-1H-quinoline
• 147-47-7
• C₁₂H₁₅N
• 

• 2,2,4-trimethylbicyclo[2.2.1]heptan-3-ol
• 1632-73-1
• C₁₀H₁₈O
• 

• 2,2,4-trimethylpentane-1,3-diol
• 144-19-4
• C₈H₁₈O₂
• 

• 2,2,5,5-Tetramethyl-3-pyrrolidinecarboxamide
• 19805-75-5
• C9H16N2O
• 

• 2,2,5,5-tetramethyloxolane
• 15045-43-9
• C₈H₁₆O
• 

• 2,2,5,6-tetramethyl-1,3-dioxin-4-one
• 87769-39-9
• C₈H₁₂O₃
• 

• 2,2,5-trimethyl-1,3-dioxane-4,6-dione
• 3709-18-0
• C₇H₁₀O₄
• 

• 2,2,6,6-Tetramethyl-3,5-heptanedionatorubidium
• 166439-15-2
• C11H19O2Rb
• 

• 2,2,6,6-tetramethylheptane-3,5-dione
• 1118-71-4
• C₁₁H₂₀O₂
• 

• 2,2,6,6-tetramethylheptane-3,5-dione
• 15631-58-0
• C₃₃H₆₀O₆Tm
• 

• 2,2,6,6-tetramethyloctane-3,5-dione
• 78579-61-0
• C₁₂H₂₂O₂
• 

• 2,2,6,6-tetramethylpiperidin-4-amine
• 36768-62-4
• C₉H₂₀N₂
• 

• 2,2,6,6-tetramethylpiperidin-4-ol
• 2403-88-5
• C₉H₁₉NO
• 

• 2,2,6,6-tetramethylpiperidin-4-one
• 826-36-8
• C₉H₁₇NO
• 

• 2,2,6,6-tetramethylpiperidin-4-one
• 33973-59-0
• C₉H₁₈ClNO
• 

• 2,2,6,6-tetramethylpiperidine
• 768-66-1
• C₉H₁₉N
• 

• 2,2,6-trimethyl-1,3-dioxin-4-one
• 5394-63-8
• C₇H₁₀O₃
• 

• 2,2,7-Trimethyloctane-3,5-dione
• 69725-37-7
• C11H20O2
• 

• 2,2-'Dibromobiphenyl
• 13029-09-9
• C12H8Br2
• 

• 2,2-Biphenyldiacetic acid
• 93012-30-7
• C₁₆H₁₄O₄
• 

• 2,2-Bis-(bromomethyl)-3-bromo-1-propanol
• 36483-57-5
• C5H9Br3O
• 

• 2,2-Dichloropentanal
• 41718-50-7
• C5H8Cl2O
• 

• 2,2-Difluorobenzodioxole-5-carboxylic acid
• 656-46-2
• C8H4F2O4
• 

• 2,2-Dimethyl-1-propylamine sulphate
• 68306-49-0
• C5H15NO4S
• 

• 2,2-Dioxo-1,3-dihydrobenzo[c]thiophene-5yl amine
• 70654-85-2
• C8H9NO2S
• 

• 2,2-Diphenyl-1-picrylhydrazyl
• 1898-66-4
• C18H12N5O6
• 

• 2,2-Diphenylpropylamine hydrochloride
• 40691-66-5
• C15H17N.HCl
• 

• 2,2-bis(2-methylprop-2-enoyloxymethyl)butyl 2-methylprop-2-enoate
• 3290-92-4
• C₁₈H₂₆O₆
• 

• 2,2-bis(4-chlorophenyl)acetic acid
• 83-05-6
• C₁₄H₁₀Cl₂O₂
• 

• 2,2-bis(4-fluorophenyl)acetic acid
• 361-63-7
• C₁₄H₁₀F₂O₂
• 

• 2,2-bis(bromomethyl)propane-1,3-diol
• 3296-90-0
• C₅H₁₀Br₂O₂
• 

• 2,2-bis(bromomethyl)propane-1,3-diol
• 9001-40-5
• C₅H₁₀Br₂O₂
• 

• 2,2-bis(carbamoylamino)acetic acid
• 99-16-1
• C₄H₈N₄O₄
• 

• 2,2-bis(hydroxymethyl)butanoic acid
• 10097-02-6
• C₆H₁₂O₄
• 

• 2,2-bis(prop-2-enoxymethyl)butan-1-ol
• 682-09-7
• C₁₂H₂₂O₃
• 

• 2,2-bis[3-(aziridin-1-yl)propanoyloxymethyl]butyl
  3-(aziridin-1-yl)propanoate
• 52234-82-9
• C₂₁H₃₅N₃O₆
• 

• 2,2-di(propan-2-yl)-1,3-dioxolane
• 4421-10-7
• C₉H₁₈O₂
• 

• 2,2-diaminoheptanedioic acid
• 2577-62-0
• C₇H₁₄N₂O₄
• 

• 2,2-dibromo-1,1,1,3,3,3-hexafluoropropane
• 38568-21-7
• C₃Br₂F₆
• 

• 2,2-dibromo-1,3-diphenylpropane-1,3-dione
• 16619-55-9
• C₁₅H₁₀Br₂O₂
• 

• 2,2-dibromo-1-(4-bromophenyl)ethanone
• 13195-79-4
• C₈H₅Br₃O
•