Supplier Page from Aladdin Scientific Corporation for 2,3-Diaminonaphthalene
γ-BHC from Aladdin Scientific Corporation
Potassium chromate from Aladdin Scientific Corporation
Pregna-4,6-diene-3,20-dione from Aladdin Scientific Corporation
thieno[3,2-b]pyridine-6-carboxylic acid from Aladdin Scientific Corporation