Synthetic anabolic steroid related to testosterone, q.v. Prepn: BE 610385; J. C. Babcock, J. A. Campbell, US 3341557 (1962, 1967 both to Upjohn). Biological properties: J. A. Campbell et al., Steroids 1, 317 (1963). Dissolution and solubility rates: W. E. Hamlin et al., J. Pharm. Sci. 54, 1651 (1965). Pharmacodynamics: J. H. Sokolowski, C. W. Kasson, Am. J. Vet. Res. 39, 837 (1978). Efficacy evaluation in dogs: J. H. Sokolowski, J. Am. Vet. Med. Assoc. 173, 983 (1978).