| 摘要 |
<p>N-(Arylthioalkyl)-N min -(aminoalkyl)ureas and thioureas and oxidation derivatives having the formula <CHEM> wherein B represents a thio, sulphinyl or sulphonyl group; R<1> and R<2> each represent a hydrogen atom or a loweralkyl, cycloalkyl, 2-furanyl, phenyl, substituted phenyl or phenyl-loweralkyl group and R<3> and R<4> each represent a hydrogen atom or a loweralkyl, phenyl or phenyl-loweralkyl group wherein phenyl is optionally substituted. or R<3> and R<4> taken with the adjacent nitrogen form a heterocyclic residue.</p> |
