Azida
HETATM 1 N 1 -0.032 -1.009 0.000 HETATM 2 N 2 -0.032 0.491 0.000 HETATM 3 N 3 -0.032 1.991 0.000 CONECT 1 2 CONECT 2 1 3 CONECT 3 2 END