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Parameter ppm Hz
D(A) 7.79 D(B) 7.99 D(C) 8.30 D(D) 7.00 D(E) 7.95 J(A,B) 1.0 J(A,C) 0. J(A,D) 0. J(A,E) 0. J(B,C) 0. J(B,D) 0. J(B,E) 0.8 J(C,D) 4.5 J(C,E) 2.0 J(D,E) 10.0 KOBE,J. ET AL. TETRAHEDRON 24, 239 (1968)Spectral Code: 1H NMR : parameter in CDCl3
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ppm Int. Assign.
143.10 1000 1 139.05 202 2 133.83 832 3 125.75 911 4 116.76 893 5 116.72 230 6 Assigned with HMQC and HMBC.Spectral Code: 13C NMR : in CDCl3
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