| abstract |
A method of inhibiting male infertility comprising administering to a human in need thereof an effective amount of a compound having the formula (I) wherein R1 and R3 are independently hydrogen, -CH3, , or , wherein Ar is optionally substituted phenyl; R2 is selected from the group consisting of pyrrolidine, hexamethyleneamino, and piperidino; or a pharmaceutically acceptable salt of solvate thereof. |