2-Thiazolidinethione96-53-7100 % similar 2-Methyl-2-thiazoline2346-00-142 % similar 2-Thiazolidinone2682-49-742 % similar 2-Acetyl-2-thiazoline29926-41-834 % similar N-(4,5-Dihydro-2-thiazolyl)cyanamide26364-65-833 % similar