2-乙基-4,4-二甲基-2-噁唑啉e;2-乙基-4,4-二甲基-2-恶唑啉;
2-ethyl-4,4-dimethyl-1,3-oxazoline;2-ETHYL-4,4-DIMETHYL-2-OXAZOLINE;oxazole,2-ethyl-4,5-dihydro-4,4-dimethyl;
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