Supplier Page from Aladdin Scientific Corporation for (2S)-2-amino-3-(1-methylcyclobutyl)propanoic acid
2-oxa-5,8-diazaspiro[3.5]nonane dihydrochloride from Aladdin Scientific Corporation
Cellulose acetate butyrate from Aladdin Scientific Corporation
Dibenzofuran-1-boronic Acid (contains varying amounts of Anhydride) from Aladdin Scientific Corporation
Didecyl phthalate from Aladdin Scientific Corporation