2-sec-Butylthiazole18277-27-532 % similar N-2-Thiazolylacetamide2719-23-532 % similar 2-Propionylthiazole43039-98-131 % similar Methyl thiazole-2-carboxylate55842-56-331 % similar 2-Thiazolesulfonyl chloride100481-09-230 % similar Thiazole-2-carboxylic acid14190-59-130 % similar