Any Chemistry Mass Spectrum nerds help !!!!!!

I need help I am looking at the mass spectrum for luminol and I am tying to name and Draw the structure of the fragments which corresponds to the peak at 119 m/z, 92 m/z and 91 m/z
I have put the mass spectrum below if anyone can help me it would be gladly appreciated thanks
https://webbook.nist.gov/cgi/cbook.cgi?ID=C521313&Mask=200#Mass-Spec

I got 91 and 119

omg thank you sooo much how did you find this out