(6E)-6-(1,3-oxazolidin-2-ylidene)cyclohexa-2,4-dien-1-one

2-hydroxy-N-(2-hydroxyethyl)benzimidamide

2-(2-羟基苯基)-4H-苯并[e][1,3]恶嗪-4-酮

水杨酰胺

1,4-dihydroxy-2-(2-hydroxyethylamino)anthracene-9,10-dione