CR2

{(4Z)-2-(aminomethyl)-4-[(4-hydroxyphenyl)methylidene]-5-oxo-4,5-dihydro-1H-imidazol-1-yl}acetic acid

CR2 model coordinates provided in the wwPDB chemical component dictionary
Formula: C13 H13 N3 O4
Molecular weight: 275 Da
One-letter code: GYG