propylparaben molecular structure 3d, flat model, antifungal preservative e216, structural chemical formula view from a microscope

propylparaben npropyl ester e216 preservative molecule molecular structure chemical formula model c10h12o3 atom chemistry cosmetic science biochemistry compound paraben biology medicine pharmaceutical atomic supplement food acid cancer medical prevention product research scientific health structural drug additive icon organic alimentary agent artificial carbon oxygen pharmacy skin flat antifungal view from microscope microscope