Supplier Page from Aladdin Scientific Corporation for 2-Azaspiro[5.6]dodecane
4,5-Diphenyl-1,3-dioxol-2-one from Aladdin Scientific Corporation
5-(2-Ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]-7-pyrimidinone from Aladdin Scientific Corporation
Diethyl tert-butylmalonate from Aladdin Scientific Corporation
N,N'-Di(1-naphthyl)benzidine (purified by sublimation) from Aladdin Scientific Corporation