CAS No 104759-19-5 , methyl
(1R,2R,4S)-4-[(2R,4S,5S,6S)-5-[[(2R,4aS,5aS,7S,9S,9aR,10aR)-2,
9-dimethyl-3-oxo-4,4a,5a,6,7,9,9a,10a-octahydrodipyrano[4,2-a:4',
3'-e][1,
4]dioxin-7-yl]oxy]-4-(dimethylamino)-6-methyloxan-2-yl]oxy-2-ethyl-2,5,
7,10-tetrahydroxy-6,11-dioxo-3,4-dihydro-1H-tetracene-1-carboxylate