 Analogues and derivatives of gestonorone caproate include algestone acetophenide (dihydroxyprogesterone acetophenide), demegestone, nomegestrol acetate, norgestomet, and segesterone acetate, as well as 18-methylsegesterone acetate and the caproate esters chlormadinone caproate, hydroxyprogesterone caproate, medroxyprogesterone caproate, megestrol caproate, and methenmadinone caproate.Chemical syntheses of gestonorone caproate have been published.Gestonorone caproate was first described in 1960.