1-METHYL-4-PHENYLPYRIDINIUM 39794-99-5 48134-75-4 5-20-07-00550 (Beilstein Handbook Reference) BRN 1618932 CCRIS 2187 Cyperquat Cyperquat [ANSI] MPP+ N-Methyl-4-phenylpyridine N-Methyl-4-phenylpyridinium ion Pyridinium, 1-methyl-4-phenyl- Pyridinium, 1-methyl-4-phenyl- (9CI)