Supplier Page from Aladdin Scientific Corporation for (2,4-Dichloro-6-hydroxyphenyl)boronic acid（contains varying amounts of Anhydride）
1H-Pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione from Aladdin Scientific Corporation
6-Bromo-5,7-difluoroquinoline from Aladdin Scientific Corporation
6-chloro-5-methyl-1h-pyrimidin-4-one from Aladdin Scientific Corporation
Cellulose acetate butyrate from Aladdin Scientific Corporation