2-((((5S,6R,8R,9S,10R,13S,14S,E)-6-Hydroxy-10,13-dimethyl-17-oxohexadecahydro-3H-cyclopenta(a)phenanthren-3-ylidene)amino)oxy)acetic acid
2-((((5s,6r,8r,9s,10r,13s,14s,e)-6-hydroxy-10,13-dimethyl-17-oxohexadecahydro-3h-cyclopenta(a)phenanthren-3-ylidene)amino)oxy)acetic acid