trans-2,3-Dimethylacrylic acidtrans-2-Methyl-2-butenoic acidtrans-α,β-Dimethylacrylic AcidNSC 8999tiglinic acid(E)-2,3-Dimethylacrylic Acid(E)-α-Methylcrotonic acidcevadic acidtrans-2-Methylcrotonic Acid(E)-2-Methylcrotonic Acid(E)-2-Methyl-2-butenoic acidNSC 44235TIGLIC ACID(2E)-2-Methyl-2-butenoic Acid