2-Ethyl-4,5-dimethyl-3-thiazoline76788-46-0100 % similar 2-Isobutyl-4,5-dimethyl-3-thiazoline65894-83-963 % similar 2,5-Dihydro-4,5-dimethyl-2-(1-methylpropyl)thiazole65894-82-859 % similar