diphenhydramine molecular structure, 3d model molecule, benadryl, structural chemical formula view from a microscope

diphenhydramine dph benadryl unisom molecule microscope transparent molecular structure chemical formula model antihistamine sedative c17h21no bubble air glass atom medication sleep aid biochemistry chemistry drug science treatment protection material medical medicine insomnia treat nausea health allergy illustration icon nature fruit cold berry organic structural view from microscope