(trans)-9,10-Dihydro-7-methylbenzo(a)pyrene-9,10-diol 79418-89-6 Benzo(a)pyrene-9,10-diol, 9,10-dihydro-7-methyl-, trans- trans-7-Methyl-9,10-dihydro-9,10-dihydroxybemzo(a)pyrene