1,1'-(13-Oxido-13-thiabicyclo(8.2.1)tridec-5-ene-2,9-diyl)bispiperidine dihydrochloride 174198-19-7 2,9-Dipiperidino-13-thiabicyclo(8.2.1)tridec-5-ene 13-oxide dihydrochloride Piperidine, 1,1'-(13-oxido-13-thiabicyclo(8.2.1)tridec-5-ene-2,9-diyl)bis-, dihydrochloride