40919-04-8
2-ethylidene-3-methyl-glutaric acid
1113-77-5
diethyl 2-acetyl-3-methylbutanedioate
103263-50-9
(E)-6-Methoxy-3-methyl-hept-2-en-4-one
99181-65-4
4-acetyl-2,2,5,5-tetramethyl-dihydro-furan-3-one
110-01-0
四氢噻吩

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