Patent ID: 8580811

Claim:
A method of treating a patient having a condition susceptible to treatment with an androgen receptor modulator, wherein the condition is selected from acne, male-pattern baldness, cancer cachexia, hirsutism, hypogonadism, osteoporosis, impotence, breast cancer, prostate cancer and prostatic hyperplasia, comprising administering to the patient a compound having a structure of Formula I: wherein: R 1 and R 3 are each independently selected from hydrogen, optionally substituted C 1 -C 4 alkyl, C 1 -C 4 heteroalkyl, C 1 -C 4 haloalkyl, optionally substituted heteroaryl, and optionally substituted aryl; or R 1 and R 3 taken together to form a C 3 -C 8 carbocyclic ring; R 2 and R 4 are each hydrogen; or R 2 and R 4 taken together to form a bond; R 5 is selected from hydrogen, C 1 -C 8 alkyl, C 1 -C 8 haloalkyl, C 1 -C 8 heteroalkyl, C 7 -C 10 arylalkyl, and C 2 -C 8 heteroarylalkyl; and R 6 is hydrogen or F; or a pharmaceutically acceptable salt thereof.