IUPAC:(1R,3aS,3bR,9bS,11aS)-11a-ethyl-1-ethynyl-1-hydroxy-1H,2H,3H,3aH,3bH,4H,5H,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-yl N,N-dimethylsulfamate
IUPAC:(1R,3aS,3bR,9bS,11aS)-11a-ethyl-1-ethynyl-1-hydroxy-1H,2H,3H,3aH,3bH,4H,5H,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-yl N,N-dimethylsulfamate