anti-2'-butyl-1,2,3,4-tetrahydronaphthalene-1-spiro-3'-oxaziridine

2-乙烯基苯甲酸

2,2-dimethyl-3,4-dihydronaphthalen-1-one

甲基2-(3-氧代丙基)苯甲酸酯

methyl 2-ethenylbenzoate