If you are sourcing the above 1-Piperidinepropanenitrile, 4-methyl-3-(methyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-β-oxo-, (3R,4R)-, 2-hydroxy-1,2,3-propanetricarboxylate (1:1) from China, just feel free to inquire, we will get the competitive price from China Manufacturer & Supplier for you ASAP.