Supplier Page from Aladdin Scientific Corporation for 2'-Hydroxy-4-methoxychalcone
2,6-Dimethylpyrazine from Aladdin Scientific Corporation
3,5-Dibromo-2-methoxypyridine from Aladdin Scientific Corporation
5-Bromobenzo[b]naphtho[1,2-d]thiophene from Aladdin Scientific Corporation
N,N'-Di(1-naphthyl)benzidine (purified by sublimation) from Aladdin Scientific Corporation