Supplier Page from Aladdin Scientific Corporation for Potassium carbonate sesquihydrate
3,6-Diphenyl-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione from Aladdin Scientific Corporation
4-Bromo-1,2-diaminobenzene from Aladdin Scientific Corporation
PDE4 inhibitor 16 from Aladdin Scientific Corporation
Trioctylamine from Aladdin Scientific Corporation