2-(1-Hydantoyl)-4-thiazoleacetic acid ethyl ester 4-Thiazoleacetic acid, 2-(1-hydantoyl)-, ethyl ester 4-Thiazoleacetic acid, 2-(2,4-dioxo-1-imidazolidinyl)-, ethyl ester 78140-03-1 BRN 5760671