Supplier Page from Aladdin Scientific Corporation for (1H-Pyrrolo[2,3-b]pyridin-5-yl)boronic acid（contains varying amounts of Anhydride）
1-(Chloromethyl)-4-phenoxybenzene from Aladdin Scientific Corporation
1,1',3,3,3',3'-4,4',5,5'-Di-benzo-2,2'-indotricarbocyanine perchlorate from Aladdin Scientific Corporation
2-(Benzofuran-3-yl)acetic acid from Aladdin Scientific Corporation
4,4'-Bis(4,6-diphenyl-1,3,5-triazin-2-yl)biphenyl from Aladdin Scientific Corporation