5561-05-7
2-butylcyclopent-2-en-1-one
56745-19-8
3-butyl-2-methylcyclohex-2-en-1-one
56745-22-3
3-butyl-5,5-dimethylcyclohex-2-en-1-one
57402-96-7
正丁基锗烷
5760-60-1
3-butyl-2-methylcyclopent-2-en-1-one

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