117211-93-5 6H-1,3-Dioxolo(4,5-g)(1)benzopyran, 7,8-dihydro-6-methoxy-8-(3-methoxyphenyl)-6,7-dimethyl- 7,8-Dihydro-6-methoxy-8-(3-methoxyphenyl)-6,7-dimethyl-6H-1,3-dioxolo(4,5-g)(1)benzopyran