Supplier Page from Aladdin Scientific Corporation for 1-(4-Bromophenyl)-2-hydroxyethan-1-one
(S)-(-)-7-[N-(1,3-Dithian-2-yl)methylamino]-7'-[bis(3,5-di-t-butylphenyl)phosphino]-2,2',3,3'-tetrahydro-1,1'-spirobindane from Aladdin Scientific Corporation
2-[(Hydroxymethyl)amino]ethanol from Aladdin Scientific Corporation
4-Bromo-1,2-diaminobenzene from Aladdin Scientific Corporation
N,N'-Di(1-naphthyl)benzidine (purified by sublimation) from Aladdin Scientific Corporation