Chemical Name: 5-Chloroacetyl-6-chloro-1,3-dihydroindol-2H-indone-2-one ; 6-Chloro-5-(2-chloroacetyl)indolin-2-one
Synonym: 5-(2-Chloroacetyl)-6-chloro-2-oxindole ; 6-Chloro-5-(chloroacetyl)-1,3-dihydro-2H-indol-2-one
Smile: O=C1NC2=C(C=C(C(CCl)=O)C(Cl)=C2)C1