2-(4-Oxo-5-piperidino-2-thiazolidinylidene)acetic acid ethyl ester 74007-96-8 Acetic acid, 2-(4-oxo-5-piperidino-2-thiazolidinylidene)-, ethyl ester BRN 1135398 delta(sup 2,alpha)-Thiazolidineacetic acid, 4-oxo-5-piperidino-, ethyl ester