2,5]non-2(5)-ene,502430-90-2,9-Azatricyclo[4.2.1.02,5]non-2(5)-ene(9CI)"> 2,5]non-2(5)-ene,502430-90-2,9-Azatricyclo[4.2.1.02,5]non-2(5)-ene(9CI)">