4-27-00-04018 (Beilstein Handbook Reference) 4-Methyl-5-thiazoleacetic acid 4-Methylthiazol-5-acetic acid 5-THIAZOLEACETIC ACID, 4-METHYL- 5255-33-4 Acide methyl-4 thiazole-acetique-5 [French] BRN 0120919 EINECS 226-056-8