1-methyl-4-phenylpyridin-1-ium 1-methyl-4-phenyl-pyridin-1-ium 1-Methyl-4-phenylpyridinium C11310 Cyperquat N-Methyl-4-phenylpyridine 5-20-07-00550 (Beilstein Handbook Reference) BRN 1618932 CCRIS 2187 Cyperquat [ANSI] MPP+ N-Methyl-4-phenylpyridinium ion Pyridinium, 1-methyl-4-phenyl- Pyridinium, 1-methyl-4-phenyl- (9CI) 1 Methyl 4 Phenylpyridinium