As you may have noticed, above you will find words for "either of two classes of compounds, formally derived from an ester by replacing an oxygen atom with selenium; either R-C(=Se)-OR' or R-C(=O)-SeR'". Hover the mouse over the word you'd like to know more about to view its definition. Click to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.