Supplier Page from Aladdin Scientific Corporation for α-Angelica lactone
(1R,2R)-(+)-1,2-Diphenylethylenediamine from Aladdin Scientific Corporation
1,3,5-Trimethyl-4-(tributylstannyl)-1H-pyrazole from Aladdin Scientific Corporation
Butyl 2,2-difluorocyclopropanecarboxylate from Aladdin Scientific Corporation
Tantalum from Aladdin Scientific Corporation