3,4-二氯苯异氰酸酯

3-(3,4-dichlorophenyl)-1-hydroxy-1-(3,4,4-trimethyl-2-thioxothiazolidin-5-yl)urea

3-(3,4-dichlorophenyl)-1-hydroxy-1-(3,5,5-trimethyl-2-thioxothiazolidin-4-yl)urea

4-(3,4-dichlorophenyl)-2-(3,5,5-trimethyl-2-thioxothiazolidin-4-yl)-1,2,4-oxadiazolidine-3,5-dione