The substance is an ester of the diterpene<unk>  and angelic acid. A 3-step semisynthesis of<unk>  starting from<unk>  was described by a chemical research group in Denmark in 2012. A 14-step synthesis of (+)-ingenol from (+)-3-carene, which is a relatively inexpensive constituent of turpentine, was published in July 2013.
Ingenol mebutate
Nandrolone furylpropionate
Gestonorone caproate
Quingestanol acetate
Segesterone acetate
Dienogest
Degarelix
Bisoctrizole