66267-18-3 DBA 1,2-dihydrodiol DIBENZ(a,h)ANTHRACENE, 1,2-DIHYDRO-1,2-DIHYDROXY-, (E)- trans-1,2-Dihydro-1,2-dihydroxydibenz(a,h)anthracene trans-1,2-Dihydroxy-1,2-dihydrobenz(a,h)anthracene trans-1,2-Dihydroxy-1,2-dihydrobenzo(a,h)anthracene