Figure 2. Example reaction search query

Query structure

Atom mapped query

[C:1][N:2][C:3](=[O:4])[O:5][C:6].[H:9][C:7]=[O:8]>>

[C:1][N:2][C:7].[O:4]=[C:3][O:5][C:6].[O:8][H:9]

Query without atom map

CNC(=O)OC.HC=O>>CNC.O=COC.OH