is 19.84 KB, has a resolution of 1200x452 pixels and was uploaded on October 10, 2021 @ 1:43 am by user: sophieber. It is filed under the tags: stimulant, adderall, symbol, propionic anhydride, ethylphenidate. Click the blue button at the top to freely download: Science Organic Acid Anhydride Adderall Drug Methylphenidate Adrafinil png.