User talk:2603:8000:8840:40F0:C825:D36E:8A82:21C7

April 2022
Hello, I'm Kpgjhpjm. I wanted to let you know that one or more of your recent contributions&#32;to Hydrogen cyanide have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Teahouse. Thanks. Kpg jhp  jm  08:12, 13 April 2022 (UTC)