6-[[(6-aminopyridin-2-yl)amino]methylidene]cyclohexa-2,4-dien-1-one

3-(1H-benzimidazol-2-yl)chromen-2-one

(2-羟基甲基苯氧基)-乙酸乙酯

2-(4,6-dimethoxypyrimidin-2-yl)oxybenzaldehyde

1-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-3-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]urea