It’s only fair to share… JNJ 54166060 JNJ-54166060; JNJ 54166060; JNJ54166060. (R)-(2-chloro-3-(trifluoromethyl)phenyl)(1-(5-fluoropyridin-2-yl)-4-methyl-1,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl)methanone [2-chloro-3-(trifluoromethyl)phenyl]-[(4R)-1-(5-fluoropyridin-2-yl)-4-methyl-6,7-dihydro-4H-imidazo[4,5-c]pyridin-5-yl]methanone Methanone, [2-chloro-3-(trifluoromethyl)phenyl][(4R)-1-(5-fluoro-2-pyridinyl)-1,4,6,7-tetrahydro-4-methyl-5H-imidazo[4,5-c]pyridin-5-yl]- CAS 1627900-41-7 OF R ISOMER DESIRED CAS 1627900-42-8 OF S ISOMER Chemical Formula: C20H15ClF4N4O Exact Mass: 438.0871 JNJ-54166060 is a potent P2X7 antagonist. Bioactivity data of JNJ-54166060: rP2X7 IC50=4 nM; rP2X7 IC50=115nM; HLM/RLM = 0.35/0.64, ED50 = 2.3 mg/kg in rats. JNJ-54166060 …