(-)-3,4-Dihydro-5-methoxy-2,12-diphenyl-2H,9H-dipyrano[2,3-a:2,3,4-kl]xanthene-9-one

(-)-3,4-Dihydro-5-methoxy-2,12-diphenyl-2H,9H-dipyrano[2,3-a:2,3,4-kl]xanthene-9-one · CAS 35290-22-3