4-Chlorocinnamic acid(2E)-3-(4-Chlorophenyl)acrylic acid(2E)-3-(4-Chlorophenyl)prop-2-enoic acidtrans-4-Chlorocinnamic acid 98%P-CHLOROCINNAMIC ACID4-Chlorocinnamic acid4-氯肉桂酸trans-3-(4-Chlorophenyl)propenoic acid对氯肉桂酸(2E)-3-(4-Chlorophenyl)-2-propenoic AcidNSC 52172trans-4-Chlorocinnamic Acid4-氯肉桂酸,主体成分为反式3-(4-Chlorophenyl)acrylic acid4-Chlorocinnamic acid, predominantly trans