Supplier Page from Aladdin Scientific Corporation for β-Carotene
(S)-(-)-7-[N-(1,3-Dithian-2-yl)methylamino]-7'-[bis(3,5-di-t-butylphenyl)phosphino]-2,2',3,3'-tetrahydro-1,1'-spirobindane from Aladdin Scientific Corporation
N-Cyclopropyl-4-aminobenzylamine from Aladdin Scientific Corporation
Sodium iodide from Aladdin Scientific Corporation
spiro[2.3]hexane-4-carboxylic acid from Aladdin Scientific Corporation