This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Quassin PC ISISDraw. WP Chem made in ISIS with pt bond length pt line width pt stereo bond width pt bond hashes double bond spacing and pt labels exported as WMF file and converted to dpi using The Gimp Own br from org en Physchim at org en en Physchim Original upload log page en QuassinPCISISDraw Physchim