111901-45-2 1S,2R-Dihydroxy-3R,4S-epoxy-1,2,3,4-tetrahydro-5-methylchrysene 6-Methylchrysene-1S,2R-diol-3R,4S-epoxide CCRIS 1753 Chryseno(3,4-b)oxirene-1,2-diol, 1,2,2a,3a-tetrahydro-5-methyl-, (1S-(1-alpha,2-beta,2a-alpha,3a-alpha))-