1-Butyl-1-(2-hydroxyethyl)piperidinium bromide o-(pentyloxy)carbanilate 70939-54-7 Piperidinium, 1-butyl-1-(2-((((2-(pentyloxy)phenyl)amino)carbonyl)oxy)ethyl)-, bromide Piperidinium, 1-butyl-1-(2-hydroxyethyl)-, bromide, o-(pentyloxy)carbanilate