2-(Cyclopentylimino)-4-oxo-3-(o-tolyl)-5-thiazolidineacetic acid 39964-45-9 5-Thiazolidineacetic acid, 2-(cyclopentylimino)-3-(2-methylphenyl)-4-oxo- (9CI) 5-Thiazolidineacetic acid, 2-(cyclopentylimino)-4-oxo-3-(o-tolyl)- BRN 0574680