2'-(4-Hydroxy-2-methoxy-phenyl)-4'-(4-hydroxy-phenyl)-7-methoxy-3,4-dihydro-2H-[3,6']bichromenyl-7'-one 2'-(4-hydroxy-2-methoxyphenyl)-4'-(4-hydroxyphenyl)-7-methoxy-3,4-dihydro-2H,7'H-3,6'-bichromen-7'-one 7H-1-benzopyran-7-one, 6-(3,4-dihydro-7-methoxy-2H-1-benzopyran-3-yl)-2-(4-hydroxy-2-methoxyphenyl)-4-(4-hydroxyphenyl)- InChI=1/C32H26O7/c1-36-23-9-5-19-11-20(17-38-29(19)13-23)26-14-27-25(18-3-6-21(33)7-4-18)15-31(39-32(27)16-28(26)35)24-10-8-22(34)12-30(24)37-2/h3-10,12-16,20,33-34H,11,17H2,1-2H Retusapurpurin A