Patent ID: 8188145

Claim:
A method of treating pain in a patient having a proliferation disorder comprising administering to an animal an effective amount of a composition comprising a compound or a pharmaceutically acceptable salt in a pharmaceutically acceptable carrier, to alleviate pain associated with cancer, wherein the compound has the following structure: wherein R 1 -R 6 taken independently are a hydrogen atom or a group or grouping selected from the group consisting of alkyl, substituted alkyl, ally, substituted allyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, phenyl, aryl, substituted aryl, heteroaryl, substituted heteroaryl, halo, hydroxyl, alkoxy, substituted alkoxy, alkoxy, phenoxy, substituted phenoxy, aroxy, substituted aroxy, alkylthio, substituted alkylthio, phenylthio, substituted phenylthio, arylthio, substituted arylthio, cyano, isocyano, substituted isocyano, carbonyl, substituted carbonyl, carboxyl, substituted carboxyl, amino, substituted amino, amido, substituted amido, sulfonyl, substituted sulfonyl, sulfonic acid, phosphoryl, substituted phosphoryl, phosphonyl, substituted phosphonyl, polyaryl, substituted polyaryl, C1-C20 cyclic, substituted C1-C20 cyclic, heterocyclic, substituted heterocyclic, aminoacid, peptide, and polypeptide groups; Z is a heteroatom selected from the group consisting of oxygen, sulfur, and nitrogen groupings in linear, branched, or cyclic structural formats; and X is a heteroatom selected from the group consisting of oxygen, sulfur, and nitrogen groupings in linear, branched, or cyclic structural formats.