Supplier Page from Aladdin Scientific Corporation for (2R,3R)-(+)-Bis(diphenylphosphino)butane
4-oxa-7-azaspiro[2.5]octan-6-one from Aladdin Scientific Corporation
N,N'-Bis[2-(2,6-dichloro-phenyl)-ethyl]-3,4,9,10-perylene dicarboximide from Aladdin Scientific Corporation
Propargyl bromide from Aladdin Scientific Corporation
Sodium benzene-1,3-disulfonate from Aladdin Scientific Corporation