3d image of tetrahydrochrysene skeletal formula

tetrahydrochrysene estrogen receptors ers scientific research silent antagonist passive antagonist steroid-like nonsteroidal estrogen agonist enantiomer affinity substance matter material compound component agent stuff reagent functional group precursor synthesis reaction production building block tautomer isomer stereoisomer racemate molecule molecular formula skeletal structural structure geometry ball stick atom 3d hormone hormonal therapy replacement function action endocrine endocrinology level prohormone