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Table 4 1H (600 MHz) and 13C (151 MHz) NMR data for compound 16 in Pyridine-d5

From: Active constituents of Zanthoxylum nitidium from Yunnan Province against leukaemia cells in vitro

Position δH, m(J in Hz) δC HMBC
2   164.5  
3   101.6  
4   142.3  
4a   114.1  
5 8.13, d (9.1) 118.8 C-4, C-8, C-8a
6 7.54, d (9.1) 117.3 C-7, C-8, C-4a
7   140.2  
8   151.6  
8a   157.4  
3b 7.15, d (2.7) 105.3 C-2, C-3, C-4
2a 7.80, d (2.7) 142.9 C-2, C-3, C-3b
7-OCH3 4.23, s 61.1 C-7
8-OCH3 4.27, s 58.9 C-8
-OH 12.03, s