517-23-7
α-乙酰基-γ-丁内酯
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61378-88-9
2-(furan-2-yl)-4-methyl-5,6-dihydrofuro[2,3-d]pyrimidine
61378-85-6
2-(furan-2-yl)-5-(2-hydroxyethyl)-6-methyl-1H-pyrimidin-4-one