ramelteon molecular structure, 3d model molecule, anxiolytics, sedatives, structural chemical formula view from a microscope

ramelteon rozerem anxiolytics sedatives molecule microscope transparent molecular structure chemical formula model c16h21no2 bubble air glass atom oxygen hydrogen carbon nitrogen sleep agent therapy chemistry drug science material medicine atomic ball insomnia skeletal structural drawing shape illustration compound hypnotic pattern icon organic agonist flat melatonin mt1 mt2 view from microscope