Supplier Page from Aladdin Scientific Corporation for (2S)-N-[(1R,2S)-2-Hydroxy-1,2-diphenylethyl]-2-pyrrolidinecarboxamide
4-Ethyl-1,3-dimethyl-1H-pyrazol-5-amine sesquihydrate from Aladdin Scientific Corporation
D-Glutamic acid from Aladdin Scientific Corporation
Dibenzofuran-1-boronic Acid (contains varying amounts of Anhydride) from Aladdin Scientific Corporation
Fmoc-D-3,4-difluorophenylalanine from Aladdin Scientific Corporation