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Table 2 1H and 13C NMR data for compound 1 (400 MHz in methanol I-d4 δ ppm)

From: NAD+-dependent HDAC inhibitor stimulates Monascus pigment production but inhibit citrinin

No. Position δC δH (mult, J in Hz)
1 1 148.4 7.56 (s, 1H)
2 3 163.0  
3 4 105.6 6.34 (s, 1H)
4 4a 149.9  
5 5 109.9 5.39 (d, J = 1.2, 1H)
6 6 194.1 4.08 (m, 1H)
7 6a 84.1 1.31 (d, J = 8.2, 3H)
8 6b 116.3  
9 8 170.1  
10 9 66.3 3.97 (s, 1H)
11 9a 43.9 3.04 (br s, 1H)
12 10 23.5 1.54 (s, 3H)
13 11 43.7 2.56 (ddd, J 1  = 4.5, J2 = 8.5, J3 = 14.2, 2H)
14 12 56.9 4.08 (m, 1H)
15 13 23.7 1.31 (d, J = 8.2, 3H)
16 14 203.8  
17 15 43.4 3.32 (dt, J 1  = 1.6, J2 = 3,3, 2H)
18 16 23.5 1.60 (d, J = 7.7, 2H)
19 17 30.1 1.24 (o, 2H)
20 18 31.5 1.24 (o, 2H)
21 19 32.3 1.24 (o, 2H)
22 20 23.5 1.24 (o, 2H)
23 21 14.3 0.91 (t, J = 7.1, 3H)