2-Propenoic acid, 3-(2-bromophenyl)-, ethyl ester, (2E)-

ethyl 3-(3-bromophenyl)prop-2-enoate

1,4-苯二丙烯酸二乙酯

ethyl (Z)-5-chloro-3-hydroxy-2-methylidene-5-(4-methylphenyl)pent-4-enoate

(Z)-ethyl 5-chloro-2-methylene-3-(4-tolylsulfonamido)-5-(4-tolyl)pent-4-enoate