2-Ethyl-4,5-dimethylthiazoline4,5-二甲基-2-乙基-3-噻唑啉2-乙基-4,5-二甲基-3-噻唑啉2-Ethyl-2,5-dihydro-4,5-dimethylthiazole4,5-Dimethyl-2-ethyl-3-thiazoline, mixture of isomers2-Ethyl-4,5-dimethyl-3-thiazoline2-乙基-4,5-二甲基--3-噻唑啉, 顺式 + 反式4,5-Dimethyl-2-ethyl-3-thiazoline2-Ethyl-4,5-dimethyl-3-thiazoline, cis + trans