1-Butyl-2-(1,3-diphenyl-2-hydroxypropyl)-1-methylpyrrolidinium iodide 1-Butyl-2-(alpha-benzyl-alpha-hydroxyphenethyl)-1-methyl-pyrrolidinium iodide 79820-09-0 Pyrrolidinium, 1-butyl-2-(1,3-diphenyl-2-hydroxypropyl)-1-methyl-, iodide