英文别名trans-4-chlorocrotonic acid; γ-Chlorocrotonic Acid; 2-Butenoic acid, 4-chloro-, (2E)-; 4-chloro-trans-crotonic acid; γ-Chlor-crotonsaeure; 4-Chloro-but-2E-enoic acid; 4-Chlor-trans-crotonsaeure; (E)-4-chloro-crotonic acid; 4-Chlor-buten-(2)-saeure-(1); Crotonic acid, 4-chloro-, (E)- 
