19-Nordehydroepiandrosterone (19-nec-DHEA), nec 19-nec-5-dehydroepiandrosterone (19-nec-5-DHEA), est estrane (19-norandrostane) moleculas quae numquam venales. Est derivatio composita androgeni/anabolici steroidis nandroloni (19-nortestosterone) et androgen prohormone dehydroepiandrosterone (DHEA, vel specialius V-DHEA). Composita includit 19-nec-5-androstenediolum, bolandiol (19-nec-4-androstenediol), et bolandione (nor-4-androstenedione), quae omnia nota oretenus activa prohormones de nandrolone. 19-Nec-DHEA fieri potest ut metabolitae bolandionis et steroids affinis
