2-Picolinium, 1-[(4-amino-2-methyl-5-pyrimidinyl)methyl]-3-(2-hydroxyethyl)-, bromide, monohydrobromide 534-64-5 NSC400971 Neopyrithiamine Pyridinium, 1-[(4-amino-2-methyl-5-pyrimidinyl)methyl]-3-(2-hydroxyethyl)-2-methyl-, bromide, monohydrobromide Pyrithiamin Pyrithiamine Pyrithiamine bromide hydrobromide Pyrithiamine hydrobromide