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A	B	C	D	E	F
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Methylbutyric acid

(S)-(+)-2-Methylbutyric acid

Methyl 4-(butyrylamino)-5-methyl-3-aminobenzoate

Methyl 4-(butyrylamino)-3-methyl-5-nitrobenzoate

DL-2-Methylbutyryl chloride

N-Methylcaprolactam

Methyl carbamate

Methyl N-carbamoylcarbamate

Methyl carbazate

N-Methyl-3-carbomethoxy-4-piperidone hydrochloride

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