Supplier Page from Aladdin Scientific Corporation for (±)-Dropropizine
(1R,2R)-(+)-1,2-Diphenylethylenediamine from Aladdin Scientific Corporation
2-(3-Chloropropoxy)tetrahydro-2H-pyran from Aladdin Scientific Corporation
3-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid from Aladdin Scientific Corporation
Caroverine from Aladdin Scientific Corporation