@herstein.jacob https://next.amboss.com/us/article/WS0PA2?utm_campaign=EN_XX_Browser-Extension-Chrome&utm_medium=browser_extension&utm_term=Urobilin&utm_source=app.ankihub.net#Ze41286e39b4184413a33be167740f607
ignore above comment, both compounds are found in urine so technically card is right, thank you.