ИСТИНА

A pharmaceutical composition, a method of producing same, and a method of providing cancer therapy therein comprising a pharmaceutically acceptable excipient or carrier and a compound Formula 3 as follows: or a pharmaceutically acceptable salt or prodrug thereof, wherein: R1, R2, R3 and R4 are optionally substituted and are hydrogen, haloalkyl, aryl, fused aryl, carbocyclic, a heterocyclic group, a heteroaryl group, C1-10 alkyl, alkenyl, alkynyl, arylalkyl, arylalkenyl, arylalkynyl, heteroarylalkyl, heteroarylalkenyl, carbocycloalkyl, heterocycloalkyl, hydroxyalkyl, aminoalkyl, carboxyalkyl, nitroalkyl, cyanoalkyl, acetamidoalkyl, acyloxyalkyl, hydroxyl, alkoxy, acetoxy, amino, alkylamino, acetamido.