The molecule is a monocarboxylic acid that is but-2-enoic acid in which one of the hydrogens at position 4 is substituted by a [(E)-(5-oxo-2-phenyl-1,3-oxazol-4(5H)-ylidene)methyl]amino moiety. It is a member of 1,3-oxazoles, a monocarboxylic acid and an enamine.
(E)-4-[(5-hydroxy-2-phenyl-1,3-oxazol-4-yl)methylideneamino]but-2-enoic acid