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Polyvinylpyrrolidone, average M.W. 1,300,000, K85-95

Tert-butylmagnesium chloride, 2.0 M solution in 2-MeTHF, J&KSeal

N,N-Dimethylacetamide, 99%

N-Nitroso-N-methylurea, 95%, stabilized 0.05% H2SO4,about 10% water content

Sodium methanethiolate, 15 wt.% solution in H2O

2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol, 99%

α-Amylase, from Bacillus subtilis, 4 units/mg protein

Potassium bromide, 99%, IR grade

N-Methyl-N-(trimethylsilyl)trifluoroacetamide, 98%

N-Nitrosodibenzylamine, 98%

Vildagliptin, 97%, DPP-4 inhibitor

Starch, for analysis, soluble,Loss on Drying 13%

Acryloyl chloride, 97%, stabilized with 400 ppm p-Hydroxyanisole

Diethylzinc, 1.0 M solution in hexanes, J&KSeal

Gluconic acid, 48 - 54% in water

Pyridine, 99%, extra pure

Green fluorescent microspheres, 99.8%, 8 μm, 1%（w/v）suspended in aqueous ethanol solution

mPEG-Mal, average M.W. 1,000

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