118688-35-0 2-Chloro-6-(4-piperidinylthio)pyridine-2,6-14C2 monohydrochloride Anpirtolin Pyridine-2,6-14C2, 2-chloro-6-(4-piperidinylthio)-, monohydrochloride Pyridine-2,6-14C2,2-chloro-6-(4-piperidinylthio)-, monohydrochloride