3d image of pregnadienedione skeletal formula

pregnadienedione pdd steroid pherine synthetic pheromone vomeronasal organ men luteinizing hormone testosterone inhalation women vomeropherines neuroactive chemosensory receptors nasal neurosteroid central nervous system nasal cells amygdala hypothalamus hippocampus prefrontal cortex rendering kayromon allomone hormonal therapy replacement function action endocrine endocrinology level prohormone analogue steroidal molecule molecular formula skeletal structural structure geometry ball stick atom