(1R,5S)-3-hydroxyspiro[bicyclo[3.2.1]octane-8,1'-pyrrolidin]-1'-ium chloride-d8;USP Trospium Chloride Related Compound C-d8; (1?,3?,5?)-3-Hydroxyspiro[8-azoniabicyclo[3.2.1]octane-8,1'-pyrrolidinium] Chloride (1:1)-d8; 3-Hydroxyspiro[nortropane-8,1'-pyrrolidinium] Chloride-d8; 3?-Hydroxynortropane-8-spiro-1'-pyrrolidinium Chloride-d8;Azoniaspironortropanol Chloride-d8
