119181-09-8 Cholanthrene-9,10-diol-7,8-epoxide Indeno(7',1':6,7,8)phenanthro(3,4-b)oxirene-2,3-diol, 1a,2,3,6,7,11c-hexahydro-, (1aalpha,2beta,3alpha,11calpha)- (+-)-