2-Hydroxy-2,4-diene derivative > 2-Oxo-3-ene derivative
[H][#8:1][#6:2]1=[#6:3][#6:4]=[#6:5]-,=[*:6]-,=[*:7]-1>>[*:7]1=,-[*:6]=,-[#6:5][#6:4]=[#6:3][#6:2]-1=[O:1]
[H][#8:1][#6:2]1=[#6:3][#6:4]=[#6:5]-,=[*:6]-,=[*:7]-1
None
[*:7]1=,-[*:6]=,-[#6:5][#6:4]=[#6:3][#6:2]-1=[O:1]
None
