Substituted benzoylurea derivatives or their salts

Abstract

The present invention provides a substituted benzoylurea derivative having the formula (I), ##STR1## (wherein Q is a --R.sub.1 N(Z.sub.2)Z.sub.3 group or a --R.sub.2 N(Z.sub.4)COR.sub.1 N(Z.sub.2)Z.sub.3 group, R.sub.1 and R.sub.2 are respectively an alkanediyl group which may be substituted with a lower alkylthio group or a phenyl group, Z.sub.1, Z.sub.2, Z.sub.3 and Z.sub.4 are respectively a hydrogen atom or a lower alkyl group, R.sub.1 and Z.sub.2 may be bonded with each other to form a heterocyclic ring with an adjacent nitrogen atom, X is a halogen atom, a lower alkyl group or a CF.sub.3 group, and Y is a halogen atom) or its salt, effective as an antitumor agent; a method for producing the same; an antitumor composition containing the same; and an intermediate product for producing the same.

Dependencies are inferred from the claim text.