2,3,4,5,6-Pentafluoro-benzenesulfonic acid (1S,8S,9R)-(4-aza-tricyclo[6.2.1.02,7]undeca-2,4,6-trien-9-yl) ester

5,8-Methano-5,6,7,8-tetrahydroisoquinolin-7-one

Trifluoro-methanesulfonic acid (1R,8R,10R)-(4-aza-tricyclo[6.2.1.02,7]undeca-2,4,6-trien-10-yl) ester

Trifluoro-methanesulfonic acid (1R,8R,9R)-(4-aza-tricyclo[6.2.1.02,7]undeca-2,4,6-trien-9-yl) ester

Trifluoro-methanesulfonic acid (1S,8S,9S)-4-oxy-4-aza-tricyclo[6.2.1.02,7]undeca-2,4,6-trien-9-yl ester