3-(2-aminoethylamino)-1-(2-hydroxyphenyl)but-2-en-1-one

2-(dimethylaminomethylidene)-1-(2-hydroxyphenyl)butane-1,3-dione

2-甲基苯并二氢吡喃-4-酮

6-(5-methyl-2-phenyl-1H-pyrazol-3-ylidene)cyclohexa-2,4-dien-1-one

2-methylchromene-4-thione