4-(Cyclohexylcarbonyl)pyridine (CAS NO.32921-23-6) is also called as 5-21-08-00144 (Beilstein Handbook Reference) ; BRN 1527677 ; Cyclohexyl 4-pyridyl ketone ; Pyridine, 4-(cyclohexylcarbonyl)- ; Ketone, cyclohexyl 4-pyridyl .