Reduction of nitro group to amino group
[N:1][cH3:2]>>O=[N:1]([O-])[cH3:2]

Template code: 17064
Chlorination (?)
[Cl:1][c:2]1[c:3][cH:4][cH:5][n:6]1>>O=P(Cl)(Cl)[Cl:1].O=[C:2]1[C:3][cH:4][cH:5][N:6]1

Template code: 34938
Reductive thionative ring cleavage
[O:1]=[C:2]1[C:4]([S:3][C:5])[cH:8][cH:7][N:6]1>>CC[O:1][C:2](=[S:3])[C:4][C:5].[N:6][cH:7][c:8]

Template code: 11063
???
[Cl:1][C:2](=[O:3])[cH3:4]>>O=S(Cl)[Cl:1].O[C:2](=[O:3])[cH3:4]

Template code: 35946
Pyrrole cyclization
[cH:1]1[c:2][cH:3][cH:4][n:5]1>>[CH:1]#[C:2][cH:3][cH:4][N:5]

Template code: 20882
Reduction of nitro group to amino group
[N:1][cH3:2]>>O=[N:1]([O-])[cH3:2]Template code:
17064Chlorination (?)
[Cl:1][c:2]1[c:3][cH:4][cH:5][n:6]1>>O=P(Cl)(Cl)[Cl:1].O=[C:2]1[C:3][cH:4][cH:5][N:6]1Template code:
34938Reductive thionative ring cleavage
[O:1]=[C:2]1[C:4]([S:3][C:5])[cH:8][cH:7][N:6]1>>CC[O:1][C:2](=[S:3])[C:4][C:5].[N:6][cH:7][c:8]Template code:
11063???
[Cl:1][C:2](=[O:3])[cH3:4]>>O=S(Cl)[Cl:1].O[C:2](=[O:3])[cH3:4]Template code:
35946Pyrrole cyclization
[cH:1]1[c:2][cH:3][cH:4][n:5]1>>[CH:1]#[C:2][cH:3][cH:4][N:5]Template code:
20882