110629-28-2 2,6-Dimethyl-3-nitro-4-((2-(4-diphenylmethylene-1-piperidyl)ethyl)amino)pyridine 2HCl 4-Pyridinamine, 2,6-dimethyl-N-(2-(4-(diphenylmethylene)-1-piperidinyl)ethyl)-3-nitro-, hydrochloride, hydrate (1:2:2)