Supplier Page from Aladdin Scientific Corporation for 1,1-Dimethylurea
2-Amino-5-bromo-3-methylpyridine from Aladdin Scientific Corporation
3-methyl-1H-1,2,4-triazole from Aladdin Scientific Corporation
4,6-Dichloro-N-methylpyridin-2-amine from Aladdin Scientific Corporation
N,N'-Di(1-naphthyl)benzidine (purified by sublimation) from Aladdin Scientific Corporation