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Unformatted text preview: doublet peak H is parallel or anti-parallel to B C is coupled to H C H methine group C H H B a the triplet in C-13 NMR C splits into a 1:2:1 triplet peak H a & H b can both be parallel, anti-parallel C is coupled to H a and H b b or one parallel and one anti-parallel methylene group B C H H H the quartet in C-13 NMR carbon splits into n+1 n = # attached H's quartet 1:3:3:1 shielded deshielded methyl group...
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