Testosterone S ,3a S ,3b R ,9a R ,9b S ,11a S )-1-Hydroxy-9a,11a-dimethyl-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7 H -cyclopenta[ a ]phenanthren-7-one 200-370-5 19 H 28 O 2 −1 [1] [2] Testosterone is the primary sexual activity bodily hormone and anabolic