Annote the molecular ion peak and the basse peak of mass spectrum and draw structure Identify at least one other

base peak QM Chemical Formula: C9H12
Exact Mass: 120.09 Molecular Weight: 120.20
m/z: 120.09 (100.0%), 121.10 (9.7%) 77 91 121 G)
:gt; © Fragment m/z: 120.09
m/z: 77.04 (100.0%), 78.04 (6.5%) (9…
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