(2Z)-4-[(Aminocarbonyl)amino]-4-oxo-2-butenoic acid105-61-3100 % similar Maleic acid110-16-748 % similar Fumaric acid110-17-848 % similar Poly(maleic acid)26099-09-248 % similar Maleamic acid557-24-447 % similar N-Phenylmaleamic acid555-59-944 % similar Maleimide541-59-343 % similar (2Z)-4-Oxo-4-[(phenylmethyl)amino]-2-butenoic acid15329-69-840 % similar Cis,cis-muconic acid1119-72-839 % similar Acrylic acid-maleic acid copolymer29132-58-939 % similar Crotonic acid107-93-737 % similar Crotonic acid3724-65-037 % similar Acetylurea591-07-134 % similar Monomethyl fumarate2756-87-834 % similar Monomethyl maleate3052-50-434 % similar Sodium fumarate5873-57-434 % similar Sodium fumarate7704-73-634 % similar Sorbic acid110-44-133 % similar Maleic acid-methyl vinyl ether copolymer25153-40-633 % similar 2,4-Pentadienoic acid626-99-333 % similar