1-carboxy-2-unsubstituted Aromatic > Catechol derivative
[#6:4]:[#6:3]-[#6@:2]([H])(-[#8:10]([H]))[C@:1]([#8:11]([H]))([#6:6]=[#6:5])[#6](-[#8-])=O>>[#8:11]([H])-[#6:1](-[#6:6]=[#6:5])=[#6:2](-[#8:10]([H]))-[#6:3]:[#6:4]
[#6:4]:[#6:3]-[#6@:2]([H])(-[#8:10]([H]))[C@:1]([#8:11]([H]))([#6:6]=[#6:5])[#6](-[#8-])=O
None
[#8:11]([H])-[#6:1](-[#6:6]=[#6:5])=[#6:2](-[#8:10]([H]))-[#6:3]:[#6:4]
None
