is 16.01 KB, has a resolution of 629x600 pixels and was uploaded on July 22, 2023 @ 11:33 pm by user: paulker. It is filed under the tags: diagram, chemical compound, line art, methylene group, cyclic compound. Click the blue button at the top to freely download: Draw Crown Ether 15-Crown-5 Cyclic Compound 18-Crown-6 png.