Supplier Page from Aladdin Scientific Corporation for 2,3'-Bipyridine
2,4-Dichlorothieno[3,2-d]pyrimidine from Aladdin Scientific Corporation
2-Bromo-9-phenyl-9H-fluoren-9-ol from Aladdin Scientific Corporation
Ethyl 3-Carbamimidoylamino-4-methylbenzoate Nitrate from Aladdin Scientific Corporation
N,N'-Di(1-naphthyl)benzidine (purified by sublimation) from Aladdin Scientific Corporation