Figure 1. Chemical structures of tetracaine and N-butyl tetracaine quaternary ammonium (QA) salt. The proton nuclear magnetic resonance spectrum (500 mHz) of N-butyl tetracaine was obtained in deuteriochloroform (CDCl3).
Figure 1. Chemical structures of tetracaine and N-butyl tetracaine quaternary ammonium (QA) salt. The proton nuclear magnetic resonance spectrum (500 mHz) of N-butyl tetracaine was obtained in deuteriochloroform (CDCl3).
