From the README:
Buggy tales
20190110.03 -- Cannot convert back InChI to RDKit mol
- Rule (radius 0)
3012ddcc4356 applied on MNXM2183
3012ddcc4356: ([#6&v4:1](-[#7&v3:2]:[#6&v4:3](:[#7&v3:4]):[#6&v4:5])-[#8&v2:6])>>([#6&v4:1]=[#8&v2].[#7&v3:2]:[#6&v4:3](:[#7&v3:4]-[#1&v1])-[#6&v4:5].[#8&v2:6]-[#1&v1])
NXM2183: [H][N]=[c]1[n][c]([O][H])[c]2[n][c]([H])[n]([C]3([H])[O][C]([H])([C]([H])([H])[O][H])[C]([H])([O][P](=[O])([O][H])[O][H])[C]3([H])[O][H])[c]2[n]1[H]
- Reason: issue with valencies, aromatic cycle and nitrogen.
- Fix: none at the moment, but should probably be handled at the result parsing step (i.e. after rule firing)
From the README: