3-甲基-1-苯基-2-丁烯

ethyl 2-cyano-5-methylhex-4-enoate

ethyl 2-cyano-3,3-dimethylpent-4-enoate

(7-chloro-2-methylocta-2,6-dien-4-yl)sulfonylbenzene

4-(benzenesulfonyl)-6-methylhept-5-en-2-one