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(1R,2S)-Methyl 1-amino-2-vinylcyclopropanecarboxylate 4-methylbenzenesulfonate: BD167539862273-27-695% mix TBC as stabilizer; ￥158.01g

(1R,2S)-Ethyl 1-amino-2-vinylcyclopropanecarboxylate 4-methylbenzenesulfonate: BD6828881159609-95-698% mix TBC as stabilizer; ￥277.01g

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