4,7-dimethoxy-1,2-dihydronaphthalene

methyl 2-(methoxymethylidene)-3-oxopentanoate

2-(1H-四唑-1-基)苯甲酸

三甲基氧鎓六氟磷酸盐

dimethyl 4-(methoxymethylidene)pent-2-enedioate