IUPAC: methyl 6-[11-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-3,4,7,10-tetraoxo-1H,2H,3H,3aH,4H,5H,5aH,6H,7H,8H,9H,9aH,10H,11H,11aH-cyclopenta[a]phenanthren-1-yl]-2-methyl-4-oxoheptanoate
IUPAC: methyl 6-[11-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-3,4,7,10-tetraoxo-1H,2H,3H,3aH,4H,5H,5aH,6H,7H,8H,9H,9aH,10H,11H,11aH-cyclopenta[a]phenanthren-1-yl]-2-methyl-4-oxoheptanoate