2,3,22,23-Tetrahydroxy-5alpha-stigmastan-6-one 2,3,22,23-Tetrahydroxystigmastan-6-one 83509-42-6 Homocastasterone Stigmastan-6-one, 2,3,22,23-tetrahydroxy-, (2alpha,3alpha,5alpha,22R,23R)-