Supplier Page from Aladdin Scientific Corporation for 1-(3-Hydroxypropyl)pyrrole
2,3-Dichlorobenzoyl chloride from Aladdin Scientific Corporation
5-Bromo-2-thiophenecarboxylic acid from Aladdin Scientific Corporation
N,N'-Di(1-naphthyl)benzidine (purified by sublimation) from Aladdin Scientific Corporation
p-Tolyl chloroformate from Aladdin Scientific Corporation