Supplier Page from Aladdin Scientific Corporation for (±)-Dropropizine
1,18-dibromooctadecane from Aladdin Scientific Corporation
1H-Pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione from Aladdin Scientific Corporation
Boc-3,4-dimethoxy-l-phenylalanine from Aladdin Scientific Corporation
Tantalum from Aladdin Scientific Corporation