Patent ID: 7687486

Claim:
A method of treating breast cancer in mammals by administering a safe and effective amount of a pharmaceutical composition comprising compounds represented by: or a stereoisomer, enantiomer, rotomer, tautomer or a pharmaceutically acceptable salt thereof, wherein: a) R 1 and R 2 are independently selected from the group consisting of hydrogen and alkyl having from 1 to 8 carbon atoms, or R 1 and R 2 taken together with nitrogen form a saturated 5 to 6 ring heterocycle, b) R 3 is α or β methyl, c) n is an integer from 2 to 10, d) R 4 is selected from the group consisting of hydrogen, hydroxy, ethynyl, fluorine, chlorine, bromine, iodine and acyloxy of a organic carboxylic acid of from 1 to 10 carbon atoms and alkyl, alkenyl and alkynyl of from 1 to 10 carbons, e) R 5 selected from the group consisting of hydrogen, hydroxy, fluorine, ethynyl, chlorine, bromine, iodine and acyloxy of a organic carboxylic acid of from 1 to 10 carbons atoms and alkyl, alkenyl and alkynyl of from 1 to 10 carbons, f) R 6 and R 7 are independently selected from the group consisting of hydrogen, hydroxy, ethynyl, fluorine, chlorine, bromine, iodine and acyloxy of a organic carboxylic acid of from 1 to 10 carbons.