(1S,8S,10S)-4-Oxy-4-aza-tricyclo[6.2.1.02,7]undeca-2,4,6-trien-10-ol

(1R,8R,9S)-4-Oxy-4-aza-tricyclo[6.2.1.02,7]undeca-2,4,6-trien-9-ol

2,3,4,5,6-Pentafluoro-benzenesulfonic acid (1S,8S,10R)-(4-aza-tricyclo[6.2.1.02,7]undeca-2,4,6-trien-10-yl) ester

4-Nitro-benzoic acid (1S,8S,10R)-(4-aza-tricyclo[6.2.1.02,7]undeca-2(7),3,5-trien-10-yl) ester