Glycopyrronium bromideAHR-504NSC 250836NVA-237α-cyclopentylmandelic acid ester with 3-hydroxy-1,1-dimethylpyrrolidinium bromideGlycopyrrolate1-methyl-3-pyrrolidyl α-cyclopentylmandelate methobromide3-hydroxy-1,1-dimethylpyrrolidinium bromide α-cyclopentylmandelateGastrodynNSC 251251NSC 2512521-methyl-3-pyrrolidyl α-phenyl-α-cyclopentylglycolate methobromide3-(2-phenyl-2-cyclopentylglycoloyloxy)-1,1-dimethylpyrrolidinium bromideCopyrrolate