Synthetic anabolic; epimeric with calusterone, q.v. Prepn: BE 610385; Babcock, Campbell, US 3341557 (1962, 1967 both to Upjohn); Campbell, Babcock, Hormonal Steroids, Proc. 1st Int. Congr., 2, L. Martini, A. Pecile, Eds. (Academic Press, New York, 1965) pp 59-67. Activity studies: Stucki et al., ibid. 119-132. HPLC determn in urine: R. Gonzalo-Lumbreras, R. Izquierdo-Hornillos, J. Chromatogr. B 742, 47 (2000).