## Question

###### MASS2 100 1 5010315850100150mzIR100501 4000 'H NMR 300 MHz1 V 3000 2000 1000 Wavenumber (cm-| )3.53.02.52.0151.0ppm"CIDEPT NMR 75.5 MHz Dret 90 Dt_ks20018016014012010080ppm

MASS 2 100 1 50 103 158 50 100 150 mz IR 100 50 1 4000 'H NMR 300 MHz 1 V 3000 2000 1000 Wavenumber (cm-| ) 3.5 3.0 2.5 2.0 15 1.0 ppm "CIDEPT NMR 75.5 MHz Dret 90 Dt_ks 200 180 160 140 120 100 80 ppm

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