1130-40-1
2,2-di-n-butyltetrahydrofurane
20434-34-8
1-丁基环丁醇
18944-80-4
ethyl 4-[benzyl-(4-ethoxy-4-oxobutyl)amino]butanoate
19480-10-5
ethyl 5-(furan-2-yl)pentanoate
20744-05-2
ethyl 4-(4-methoxyphenoxy)butanoate

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