Supplier Page from Aladdin Scientific Corporation for 2',3',4'-Trimethoxyacetophenone
3-Nitro-1,2-phenylenediamine from Aladdin Scientific Corporation
6-Chloro-4-chromanone from Aladdin Scientific Corporation
ethyl 3,3-difluorocyclobutane-1-carboxylate from Aladdin Scientific Corporation
N,N'-Di(1-naphthyl)benzidine (purified by sublimation) from Aladdin Scientific Corporation