IUPAC:(2S)-N-[2-(2-{2-[2-({[(1E,3aS,3bR,9bS,11aS)-7-hydroxy-11a-methyl-1H,2H,3H,3aH,3bH,4H,5H,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-ylidene]amino}oxy)acetamido]ethoxy}ethoxy)ethyl]-2-[(2S,3R)-3-amino-2-hydroxy-4-phenylbutanamido]-4-methylpentanamide
IUPAC:(2S)-N-[2-(2-{2-[2-({[(1E,3aS,3bR,9bS,11aS)-7-hydroxy-11a-methyl-1H,2H,3H,3aH,3bH,4H,5H,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-ylidene]amino}oxy)acetamido]ethoxy}ethoxy)ethyl]-2-[(2S,3R)-3-amino-2-hydroxy-4-phenylbutanamido]-4-methylpentanamide