Home›Browse›Non-protein nitrogen🌐EnglishEnglishEspañolالعربية한국어EntityQ7048993· pop 5· linked from 10 articlesNon-protein nitrogenSign in to saveAlso known as Nonprotein nitrogenNitrogenous compounds found in living systemsAvailable in 5 languagesEspañolالعربيةTamilفارسیvia Wikidata sitelinks · CC0