10H-Dipyrano[3,2-a:2',3'-i]xanthen-14(1H)-one, 2,3,11,12-tetrahydro-13-hydroxy-5-methoxy-3,3,10,10-tetramethyl-

10H-Dipyrano[3,2-a:2',3'-i]xanthen-14(1H)-one, 2,3,11,12-tetrahydro-13-hydroxy-5-methoxy-3,3,10,10-tetramethyl- · CAS 115713-10-5