(1-beta,2-alpha,2a-beta,3a-beta)-1,2,2a,3a-Tetrahydrochryseno(3,4-b)oxirene-1,2-diol Chryseno(3,4-b)oxirene-1,2-diol, 1,2,2a,3a-tetrahydro-, (1-beta,2-alpha,2a-beta,3a-beta)- GC2061000 r-1,t-2-Dihydroxy-c-3,4-oxy-1,2,3,4-tetrahydrochrysene