1-Carboxy-1,2-dihydroxy-2-hydrobenzenoid > Catechol derivative
[H][#8:10][C@@:2]1([H])[#6:3]=,:[#6:4]-,:[#6:5]=,:[#6:6][C@:1]1([#8:11][H])[#6](-[#8-])=O>>[H][#8:10]-[#6:2]-1=[#6:1](-[#8:11][H])-[#6:6]=[#6:5]-[#6:4]=[#6:3]-1
[H][#8:10][C@@:2]1([H])[#6:3]=,:[#6:4]-,:[#6:5]=,:[#6:6][C@:1]1([#8:11][H])[#6](-[#8-])=O
None
[H][#8:10]-[#6:2]-1=[#6:1](-[#8:11][H])-[#6:6]=[#6:5]-[#6:4]=[#6:3]-1
None
