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A drug that inhibits the conversion of testosterone to the more potent dihydrotesterone in the human prostate gland and hair follicles, used in the treatment of benign prostatic hyperplasia and male-pattern baldness.
Chemical name: N-tert-butyl-3-oxo-4-aza-5α-androst-1-ene-17β-carbamate.
1980s. From a first element of unknown origin + ster- + -ide.