Patent ID: 7390834

Claim:
A method of regulating reproductive function in a patient in need thereof comprising administering an effective amount of a composition comprising: (A) an active agent; and (B) at least one compound having the formula: or a salt thereof, wherein R 1 , R 2 , R 3 , R 4 and R 5 are independently H, —CN, —OH, —OCH 3 , or halogen, at least one of R 1 , R 2 , R 3 , R 4 and R 5 being —CN; and R 6 is C 1 -C 12 linear or branched alkylene, alkenylene, arylene, alkyl(arylene) or aryl(alkylene), with the proviso that when R 1 is —CN, R 4 is H or —CN, and R 2 , R 3 , and R 2 are H, then R 6 is not (CH 2 ) 1 .