Supplier Page from Aladdin Scientific Corporation for (1S,2S)-N,N'-Di-p-tosyl-1,2-diphenyl-1,2-ethylenediamine
4-Ethyl-1,3-dimethyl-1H-pyrazol-5-amine sesquihydrate from Aladdin Scientific Corporation
D-Glutamic acid from Aladdin Scientific Corporation
L-Methionine sulfoxide from Aladdin Scientific Corporation
tert-Butyl vinylcarbamate from Aladdin Scientific Corporation