1,3-Dioxolane, 2-(7,7-dimethoxy-3-methylbicyclo(2.2.1)hept-5-en-2-yl)-4-(methoxymethyl)- 2-(2-(4'-methoxymethyldioxolanyl))-3-methyl-7,7-dimethoxy-5-norbornene 2-Norbornen-7-one, 5-(4-(methoxymethyl)-1,3-dioxolan-2-yl)-6-methyl-, dimethyl acetal 31969-66-1 5-(4-(Methoxymethyl)-1,3-dioxolan-2-yl)-6-methyl-2-norbornen-7-one dimethyl acetal