28143-74-0 4-Piperidinol, 5-dibutylaminomethyl-4-phenyl-1,2,5-trimethyl-, benzoate, dihydrochloride 5-Dibutylaminomethyl-4-hydroxy-4-phenyl-1,2,5-trimethylpiperidine, benzoate, dihydrochloride 5-Dibutylaminomethyl-4-phenyl-1,2,5-trimethyl-4-piperidinol, benzoate, dihydrochloride