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1-Methanesulfonylpiperazine: BD3407255276-43-297%; ￥161.010g

tert-Butyl 4-(methylsulfonyl)piperazine-1-carboxylate: BD307458164331-38-895%; ￥209.05g

2-Amino-1-(4-(methylsulfonyl)piperazin-1-yl)ethan-1-one: BD013539461082425-86-298%; ￥5169.01g

1-(Methylsulfonyl)piperazine hydrochloride: BD241933161357-89-797%; ￥91.01g

(S)-2-(4-(Methylsulfonyl)piperazin-1-yl)propan-1-ol: BD009503912381259-96-598% +(97%ee); ￥717.05g

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