2,3, {5,6-Tetraazabicyclo[2.1.1]hex-1-ene,} 3,5,6-triphenyl- 2218-94-2 3,5,6-Triphenyl-2,3,5,6-tetraazabicyclo[2.1.1]hex-1-ene AIDS-123990 AIDS123990 NSC5038 Nitron Nitron (bicyclic compd.) Nitron (bicyclic compound)