5WO4:
reference: The Discovery of 3-((4-Chloro-3-methoxyphenyl)amino)-1-((3R,4S)-4-cyanotetrahydro-2H-pyran-3-yl)-1 H-pyrazole-4-carboxamide, a Highly Ligand Efficient and Efficacious Janus Kinase 1 Selective Inhibitor with Favorable Pharmacokinetic Properties., Siu T, Brubaker J, Fuller P, Torres L, Zeng H, Close J, Mampreian DM, Shi F, Liu D, Fradera X, Johnson K, Bays N, Kadic E, He F, Goldenblatt P, Shaffer L, Patel SB, Lesburg CA, Alpert C, Dorosh L, Deshmukh SV, Yu H, Klappenbach J, Elwood F, Dinsmore CJ, Fernandez R, Moy L, Young JR, J Med Chem. 2017 Dec 4. doi: 10.1021/acs.jmedchem.7b01135. PMID: 29156136

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