vic-Dihydroxybenzenoid + 1-Amino-2-hydroxybenzenoid > 2-Oxopent-4-enoate derivative + Carboxylate + 2-Amino-2,4-dienoate derivate + Carboxylate
[#7;AH2][c:6]1[c;R1:5][c;R1:4][c;R1:3][c;R1:2][c:1]1-[#8:7]([H])>>[#8-:7]-[#6:1](=O)-[#6:6](=O)-[#6:5]-[#6:4]=[#6:3].[#8-]-[#6:2]=O
[#7;AH2][c:6]1[c;R1:5][c;R1:4][c;R1:3][c;R1:2][c:1]1-[#8:7]([H])
None
[#8-:7]-[#6:1](=O)-[#6:6](=O)-[#6:5]-[#6:4]=[#6:3].[#8-]-[#6:2]=O
None
