1-((1,2-Dicarbaundecaboran(11)-1-yl)methyl)-4-methylpyridinium 59422-12-7 Pyridinium, 1-((1,2-dicarbaundecaboran(11)-1-yl)methyl)-4-methyl- Pyridinium, 1-(7,8-dicarbaundecaboran(13)-7-ylmethyl)-4-methyl-, hydroxide, inner salt