Zanoterone (INN, USAN) (former developmental codename WIN-49596), also known as (5α,17α)-1'-(methylsulfonyl)-1'-H-pregn-20-yno[3,2-c]pyrazol-17-ol, is a steroidal antiandrogen that was never marketed. It was investigated for the treatment of benign prostatic hyperplasia (BPH) but failed to demonstrate sufficient efficacy in phase II clinical trials, and also showed an unacceptable incidence rate and severity of side effects (e.g., breast pain and gynecomastia). As such, it was not further developed.

CAS：107000-34-0
中文别名：
英文别名：Zanoterone (USAN/INN);
分子式：C23H32N2O3S
分子量：416.577
精确质量：416.213
Psa：80.57
Logp：4.0933

UNII：XQ5V1W49JG

密度：1.36g/cm3
沸点：564ºC at 760mmHg
闪点：294.9ºC
折射率：1.67
蒸汽压：0mmHg at 25°C