2-(Cyclopentylimino)-4-oxo-3-(m-tolyl)-5-thiazolidineacetic acid 39964-46-0 5-Thiazolidineacetic acid, 2-(cyclopentylimino)-3-(3-methylphenyl)-4-oxo- (9CI) 5-Thiazolidineacetic acid, 2-(cyclopentylimino)-4-oxo-3-(m-tolyl)- BRN 0574731