Supplier Page from Aladdin Scientific Corporation for ε-N-Crotonyllysine
(S)-(+)-2,2-Dimethyl-5-oxo-1,3-dioxolane-4-acetic acid from Aladdin Scientific Corporation
4-Bromo-3-nitro-1H-pyrazole-5-carboxylic acid from Aladdin Scientific Corporation
6-Hydrazinoimidazo[1,2-b]pyridazine from Aladdin Scientific Corporation
Potassium chromate from Aladdin Scientific Corporation