2,4-Dichlor-N-trifluormethylanilin

1,8-萘磺内酰胺

ethyl (4-methyl-2,5-dioxoimidazolidin-4-yl)acetate

7,7,9-三甲基-1,3-二氮杂螺[4.5]-2,4-癸二酮

(2,5-dioxo-imidazolidine-4,4-diyl)-di-acetic acid diethyl ester