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NMR assignments for BYZX, M1 and M2.

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posted on 29.03.2013, 01:09 authored by Lushan Yu, Yan Jiang, Lu Wang, Rong Sheng, Yongzhou Hu, Su Zeng

The numbers in the first column correspond to those in Fig. 7. All of the signals were assigned with the help of 2D-NMR. The values of δH at position 8∼10 for BYZX are distinct from those for M1 and M2, due to the splitting signals resulting from C = C reduction. The carbonyl signal still remained (Position 19).