1-Hydroxy-3-methylcholanthrene 9,10-dihydrodiol (E) 1-Hydroxy-MC 9,10-dihydrodiol (E) 9,10-Dihydro-3-methylcholanthrene-1,9,10-triol Cholanthrene-1,9,10-triol, 9,10-dihydro-3-methyl-, (E)- FZ4065000