Supplier Page from Aladdin Scientific Corporation for (1S,2S)-(+)-[N,N'-Bis(4-bromobenzyl)-1,2-cyclohexanediamino][(2E)-2-buten-1-yl]chlorosilane
Hexamethonium hydroxide solution from Aladdin Scientific Corporation
Iron(III) chloride hexahydrate from Aladdin Scientific Corporation
Retinyl acetate from Aladdin Scientific Corporation
Tetraethylammonium hydroxide solution from Aladdin Scientific Corporation