Nonvolatile Chemical Constituents from the Leaves of Ligusticopsis wallichiana (DC.) Pimenov & Kljuykov and Their Free Radical-Scavenging Activity

Table 6

¹H- and¹³C-NMR spectroscopic data of compounds 8 and 9 in CD₃OD.

Carbon number	8		9
	δH, mult. (J in Hz)	δC	δH, mult. (J in Hz)	δC
2	—	164.1, C	—	163.7, C^a
3	6.20, d (9.5)	112.7, CH	6.18, d (9.5)	114.5, CH^b
4	7.84, d (9.5)	146.1, CH	7.84, d (9.5)	146.0, CH
5	7.10, s	110.0, CH	7.45, d (8.5)	130.7, CH
6	—	147.1, C	6.77, dd (2.4,8.5)	112.3, CH^b
7	—	152.9, C^c	—	163.1, C^a
8	6.76, s	104.0, CH	6.70, d (2.4)	103.4, CH
9	—	151.5, C^c	—	157.2, C^c
10	—	112.6, C	—	111.6, C
OCH3	3.90, s	56.8, CH3	—	—

^a,b,cAssignment with the same superscript may be interchanged in the same column.