Structure Problems For each of the structure determination problems try to solve the structure. Provide a hand-drawn bond line structure for your answer. Assign the proton NMR signals. And propose an ion that explains the base peak. Problem 5 100 --0319 30 80 Relative Intensity 40- 20 M* = 73 E o tem 10 15 20 70 25 30 35 55 60 75 65 40 45 50 m/ Problem 5 11 HE 30 20 100 12 1.1 celli ir 1. 25 www 1.7 1.5 09 0 wadd 16