[grey_whiskers]

Huh, misread the chart. You have to go to the tab “fission yields” THEN double click on an item to see if it populates the screen at the bottom.

https://www-nds.iaea.org/relnsd/vcharthtml/VChartHTML.html

[Myrddin]

Thanks. That's a new chart to me. I found the beta decay in the chart.