Chemical Constituents from Daphne giraldii Nitsche and Their Contents Simultaneous Determination by HPLC

Table 3

Stability for the determination of four analytes.

Time	The peak area of compounds
	1	2	3	4
0	18127	92613	22037	169176
2	18286	93196	21134	167758
4	18034	91334	20858	167698
8	17859	90760	20691	168257
12	18348	92674	21106	169035
24	18296	92417	22174	169132
RSD (%)	1.03	1.00	2.91	0.41