2-methylbut-2-enoic acidtrans-2-Methyl-2-butenoic acid反式-2-甲基-2-丁烯酸反式-2,3-二甲基丙烯酸trans-2-Methyl-2-butenoic acidtrans-2,3-Dimethylacrylic acidTiglic acidtrans-2,3-Dimethylacrylic acid反式-2-甲基-2-丁烯酸顺芷酸反式-2,3-二甲基丙烯酸TIGLIC ACID(E)-2-Methyl-2-butenoic acidcevadic acid(E)-2-Methylcrotonic AcidNSC 44235tiglinic acidtrans-2-Methylcrotonic AcidNSC 8999trans-α,β-Dimethylacrylic Acid(2E)-2-Methyl-2-butenoic Acid(E)-2,3-Dimethylacrylic Acid(E)-α-Methylcrotonic acid(E)-2-methylbut-2-enoic acidsabadillic acid顺芷酸Tiglic acidTrans-α,β-DIMETHYLACRYLIC ACIDAngelic acid惕各酸