(Z)-5-氯-3-羟基-2-亚甲基-5-(4-硝基苯基)-4-戊二烯酸甲酯

(Z)-methyl 5-chloro-2-methylene-3-(4-tolylsulfonamido)-5-(4-nitrophenyl)pent-4-enoate

3-O,3-O-diethyl 1-O,5-O-dimethyl pentane-1,3,3,5-tetracarboxylate

1,1,3-PROPANETRICARBOXYLIC ACID, 1,1-DIETHYL 3-METHYL ESTER

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