research Patent Evaluation: Hexahydrobenzo[f]quinolines as 5α-Reductase Inhibitors June 1993 in “Current opinion in therapeutic patents” Hexahydrobenzo[f]quinolines are effective at blocking the enzyme 5α-reductase.
research Nonsteroidal Inhibitors of Human Type I Steroid 5α-Reductase 89 citations, February 1993 in “Journal of Medicinal Chemistry” New compounds called benzoquinolinones may treat conditions linked to excess DHT.