4-羟基-3-硝基苯磺酸

4-methyl-3-phenoxypentan-2-one

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

phenyl 5-tert-butyl-2-hydroxybenzoate

3-[(4-nitrophenyl)methylidene]chromen-4-one