N-[(5-bromo-2-methoxyphenyl)methylideneamino]-2-pyridin-1-ium-1-ylacetamide N-[(5-bromo-2-methoxy-phenyl)methyleneamino]-2-pyridin-1-ium-1-yl-acetamide N-[(5-bromo-2-methoxyphenyl)methyleneamino]-2-(1-pyridin-1-iumyl)acetamide N-[(5-bromo-2-methoxy-benzylidene)amino]-2-pyridin-1-ium-1-yl-acetamide N-[(5-bromo-2-methoxy-phenyl)methylideneamino]-2-pyridin-1-ium-1-yl-ethanamide