313368-85-3 3-methyl-2,3,6b(R),7,8,9,10,10a(S)-octahydropyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline 31498-89-2 (1S)-1,2,3,4a,9a,10-Hexahydro-2β,5,10α-trihydroxy-6-[(9,10-dihydro-1,8-dihydroxy-5-acetyl-6-methyl-9,10-dioxoanthracen)-2-yl]-2-methyl-1β-[(R)-1-acetoxyethyl]-4aα,9aα-epoxyanthracene-4,9-dione