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

Figure 2

Chromatograms for analysis of compounds 1, 2, 3, and 4. (a) Standard solution and (b) sample solution of D. giraldii. (1) Compound 1, (2) compound 2, (3) compound 3, and (4) compound 4. The S/N of compounds are 37.61, 404.49, 97.32, and 570.45, respectively.

(a)

(b)