Nitrous oxide - Wikipedia

Nitrous Oxide(Laughing Gas): Preparation, Properties, uses and structure, by Chemistry Page

Nitric oxide - American Chemical Society

Nitric oxide - Wikipedia

Nitrous oxide - Wikipedia

Oxide - Wikipedia

Inhalation sedation - Wikiwand

Nitrous oxide - Wikipedia

Nitrous - PsychonautWiki

Númenórean on X: @GetLocoNow your qt on laughing gas was wrong. The correct answer was nitrous oxide. Which was not an answer / X