1-(1-acetoxy-2,2,2-trichloro-ethyl)-pyrrolidin-2-one

N-1,2,2,2-trichloroethylpyrrolidone

N-(1-acetoxy-2,2,2-trichloroethyl)-4-bromobutyramide

N-(2,2-dichlorovinyl)-4-chlorobutyramide

1-(2,2,2-TRICHLORO-1-HYDROXY-ETHYL)PYRROLIDIN-2-ONE