Supplier Page from Aladdin Scientific Corporation for (2S,3S,4S)-1-[(tert-butoxy)carbonyl]-3-hydroxy-4-methylpyrrolidine-2-carboxylic acid
(1R,2R)-(+)-1,2-Diphenylethylenediamine from Aladdin Scientific Corporation
1,3-Bis(2,6-di-i-propylphenyl)imidazol-2-ylidenegold(I) hydroxide from Aladdin Scientific Corporation
4-Bromo-1,2-diaminobenzene from Aladdin Scientific Corporation
Itaconic acid from Aladdin Scientific Corporation