trans-2-Pentenoic acid13991-37-2100 % similar 2-Hexenoic acid1191-04-462 % similar trans-2-Hexenoic acid13419-69-762 % similar Glutaconic acid1724-02-358 % similar trans-2-Octenoic acid1871-67-655 % similar trans-2-Decenoic acid334-49-653 % similar 2-Nonenoic acid3760-11-053 % similar Maleic acid110-16-752 % similar Fumaric acid110-17-852 % similar Poly(maleic acid)26099-09-252 % similar Crotonic acid107-93-750 % similar Crotonic acid3724-65-050 % similar (E)-4-(Dimethylamino)-2-butenoic acid hydrochloride848133-35-748 % similar trans-3-Hexenoic acid1577-18-048 % similar Cis,cis-muconic acid1119-72-848 % similar Queen bee acid14113-05-445 % similar Monoethyl fumarate2459-05-445 % similar 10-Hydroxy-2-decenoic acid765-01-545 % similar Monomethyl fumarate2756-87-845 % similar Monomethyl maleate3052-50-445 % similar