4-(5-amino-3H-1,3,4-thiadiazol-2-ylidene)cyclohexa-2,5-dien-1-one

[2-(dimethylamino)-2-oxoethyl] 4-hydroxybenzoate

(4-hydroxyphenyl)-(4-methoxyphenyl)methanone

triphenylstannyl 4-hydroxybenzoate

二甲基 4-氰基苯基磷酸酯