IUPAC:2-({[(1S,3aS,3bS,9aR,9bS,10S,11aR)-11a-formyl-10-hydroxy-1-(2-hydroxyacetyl)-9a-methyl-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-ylidene]amino}oxy)-N-{2-[4-(125I)iodo-1H-imidazol-5-yl]ethyl}acetamide
IUPAC:2-({[(1S,3aS,3bS,9aR,9bS,10S,11aR)-11a-formyl-10-hydroxy-1-(2-hydroxyacetyl)-9a-methyl-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-ylidene]amino}oxy)-N-{2-[4-(125I)iodo-1H-imidazol-5-yl]ethyl}acetamide