英文别名Desamino-hydroxy Revefenacin; Revefenacin Impurity 1; 1-(4-((2-(4-(([1,1'-biphenyl]-2-ylcarbamoyl)oxy)piperidin-1-yl)ethyl)(methyl)carbamoyl)benzyl)piperidine-4-carboxylic acid; Raffinazine impurity 6; 4-Piperidinecarboxylic acid, 1-[[4-[[[2-[4-[[([1,1'-biphenyl]-2-ylamino)carbonyl]oxy]-1-piperidinyl]ethyl]methylamino]carbonyl]phenyl]methyl]- 
