ORGANOTIN COMPOUNDS HAVING ANTI-TUMOUR ACTIVITY ANORGANOTIN COMPOUNDS HAVING ANTI-TUMOUR ACTIVITY AND ANTI-TUMOUR COMPOSITIONS D ANTI-TUMOUR COMPOSITIONS

摘要

The invention relates to anti-tumour ccmpositions containing as an active ingredient one or more compounds of the formula Ar3Sn-O-C(O)-C6H2XYZ wherein X and Y are each H, OH, halogen or alkyl; and Z is halogen, amino, alkoxy, acyloxy, sulphonic acid or alkyl. A number of these compounds are novel compounds.