sent1: Testosterone is an androstanoid having 17beta-hydroxy and 3-oxo groups, together with unsaturation at C-4-C-5.. It has a role as an androgen, a human metabolite, a Daphnia magna metabolite and a mouse metabolite. It is a 17beta-hydroxy steroid, an androstanoid, a C19-steroid and a 3-oxo-Delta(4) steroid.
sent2: रोटेनॉन एक कार्बनिक यौगिक है। जो पौधों के जड़ो मे पाया जाता है 
  The organic compounds which are having Rotexen ring system are called as rotenoids.