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China TOP professional rolling paper Factory : 3 perfect Machine package produce line for KING SIZE SLIM , 1 1/4 , Single wide
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Boc-NH-PEG-NH2, 5000 MW, Iris Biotech)PEG-NH 2 (alpha-t-Butyloxycarbonylamino-omega-amino poly (ethylenglycol) (PEG, Boc-NH-PEG-NH 2, 5000 MW, Iris Biotech) - PEG-COOH (poly(ethylenglycol) carboxylic acid, Iris Biotech)PEG-COOH (poly (ethylenglycol) carboxylic acid, Iris Biotech) PEG-PO 4 synthtis au laboratoire selon le procd suivant :PEG-PO 4 synthesized in the laboratory according to the following method: H 3 C 3 C Le groupe phosphonate est attach a le PEG-NH 2 voie une condensation amide avec un ester lie a un groupe phosphonate
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