CAS No 113-80-4 , 1-[(4R,7S,10S,16S,
19R)-19-amino-7-(2-amino-2-oxoethyl)-10-(3-amino-3-oxopropyl)-13-[(2S)-
butan-2-yl]-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-1,
2-dithia-5,8,11,14,
17-pentazacycloicosane-4-carbonyl]-N-[(2S)-1-[(2-amino-2-oxoethyl)amino]
-5-(diaminomethylideneamino)-1-oxopentan-2-yl]pyrrolidine-2-carboxamide