Supplier Page from Aladdin Scientific Corporation for (2R,3S)-1-tert-butoxycarbonyl-2-methyl-pyrrolidine-3-carboxylic acid
2,3-dimethyl-3H,4H,5H,6H,7H-imidazo[4,5-c]pyridine from Aladdin Scientific Corporation
Potassium stearate from Aladdin Scientific Corporation
tert-Butyl vinylcarbamate from Aladdin Scientific Corporation
Zinc iodide from Aladdin Scientific Corporation