1,2-Ethenedicarboxylic acid, trans- 1,2-Ethylenedicarboxylic acid, (E) 110-17-8 2-Butenedioic acid 2-Butenedioic acid (2E)- 2-Butenedioic acid (E)- 2-Butenedioic acid, (E)- 4-02-00-02202 (Beilstein Handbook Reference) 623158-97-4 AI3-24236 Allomaleic acid Allomalenic acid BRN 0605763 Boletic acid Butenedioic acid, (E)- CCRIS 1039 Caswell No. 465E EINECS 203-743-0 EPA Pesticide Chemical Code 051201 FEMA No. 2488 FEMA Number 2488 FUMARIC ACID HSDB 710 Kyselina fumarova [Czech] Lichenic acid Lichenic acid (VAN) NSC-2752 Tumaric acid U-1149 USAF EK-P-583 trans-1,2-Ethylenedicarboxylic acid trans-Butenedioic acid