Supplier Page from Aladdin Scientific Corporation for (3-(Difluoromethyl)phenyl)boronic acid（contains varying amounts of Anhydride）
(R)-(-)-Rolipram from Aladdin Scientific Corporation
4-(1H-Pyrazol-1-ylsulfonyl)phenylboronic acid from Aladdin Scientific Corporation
4-Ethyl-1,3-dimethyl-1H-pyrazol-5-amine sesquihydrate from Aladdin Scientific Corporation
5-(2-Chlorophenyl)isoxazole-3-carboxylic acid from Aladdin Scientific Corporation