Research Article

Muscle Relaxant and Sedative-Hypnotic Activities of Extract of Viola betonicifolia in Animal Models Supported by Its Isolated Compound, 4-Hydroxy Coumarin

Table 4

1H- and 13C-NMR chemical shift values of 4-hydroxy coumarin.

C. no. ( , Hz)

2162.7
392.475.67 s
4166.0
5133.47.63 dd (7.5, 1.5)
6124.17.85 m
7124.67.32 m
8117.27.33 dd (7.5, 1.5)
9154.9
10116.7