环己二烯乙酸甲酯

methyl 3-(furan-3-yl)but-2-enoate

methyl (E)-3-(2-methoxyphenyl)prop-2-enoate

methyl 6-chloro-3-methylhex-2-enoate

(E)-methyl 3-methyl-6-chloro-2-hexenoate