2-Bromo-3-Methyl-1,1,4,4-tetramethoxy-1,4-dihydronaphthalene

1-溴-3-甲基-2-丁烯

2,3-二氯-5,6-二氰基-1,4-苯醌

2-phytyl-3-methyl-5,8-dihydro-1,4-dimethoxynaphthalene

4-C2CH3-4-hydroxy-benzocyclobuten-1-one