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T-Boc-n-amido-peg5-propargyl: BD008456742062663-67-495%; ￥12495.01g

Glycidyl Propargyl Ether: BD13219418180-30-892%; ￥378.010g

Polyethylene glycol bis(propargyl ether): BD01495554124238-56-898%; ￥2204.0250mg

Bis propargyl-PeG7: BD00838616400775-35-196%; ￥629.01g

T-Boc-n-amido-peg6-propargyl: BD008382691262991-52-595%; ￥10718.01g

NH-bis(peg2-propargyl): BD008521152100306-83-895%; ￥1882.0250mg

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