N-methyl-2-pyridin-2-ylethanamine dihydrochloride N-methyl-2-(2-pyridyl)ethanamine dihydrochloride methyl-[2-(2-pyridyl)ethyl]amine dihydrochloride N-methyl-2-pyridin-2-yl-ethanamine dihydrochloride 5579-84-0 Betahistine hydrochloride (USP) D03102 Serc (TN) SPECTRUM1500670 NCGC00095910-01 2-(2-(Methylamino)ethyl)pyridine dihydrochloride 2-Pyridineethanamine, N-methyl-, dihydrochloride Antivom Vasomotal Betahistine hydrochloride Betahistine hydrochloride [USAN] Betaserc EINECS 226-966-5 Microser PT 9 Serc