parameter in CDCl3
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1H NMR 300 MHz C6 H4 N2 O ca 10 wt% in CCl4 benzofurazan 
Parameter ppm Hz
D(A) 7.784 D(B) 7.362 J(A,A') 1.12 J(A,B) 9.11 J(A,B') 0.84 J(A',B) 0.84 J(A',B') 9.11 J(B,B') 6.43 BOULTON,A.J. ET AL. ORG.MAGN.RESON. 1, 311 (1969)
Hz ppm Int.2344.74 7.816 78 2342.90 7.810 119 2340.34 7.801 858 2337.36 7.791 585 2333.49 7.778 557 2330.39 7.768 1000 2327.78 7.759 148 2326.05 7.753 103 2217.75 7.392 103 2216.02 7.387 148 2213.41 7.378 1000 2210.31 7.368 557 2206.44 7.355 585 2203.46 7.345 858 2200.91 7.336 119 2199.06 7.330 78
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