Supplier Page from Aladdin Scientific Corporation for (1R,2R)-(-)-N-p-Tosyl-1,2-diphenylethylenediamine
2,4-Difluoro-5-formylbenzonitrile from Aladdin Scientific Corporation
4-Iodo-2-methoxypyridine from Aladdin Scientific Corporation
PDE4 inhibitor 16 from Aladdin Scientific Corporation
tert-butyl (3R,4R)-3-fluoro-4-hydroxypyrrolidine-1-carboxylate from Aladdin Scientific Corporation