Supplier Page from Aladdin Scientific Corporation for L-3,4-Dihydroxyphenylalanine methyl ester hydrochloride
1,3,5-Trimethyl-4-(tributylstannyl)-1H-pyrazole from Aladdin Scientific Corporation
4-oxa-7-azaspiro[2.5]octan-6-one from Aladdin Scientific Corporation
Dibenzofuran-1-boronic Acid (contains varying amounts of Anhydride) from Aladdin Scientific Corporation
Lithium arsenate from Aladdin Scientific Corporation