Typical HPLC chromatograms of standard compound (A) and YZH granule (B) and the amplified chromatogram of YZH granule from 0 to 39 min and from 42 to 80 min (B′). (1) Geniposidic acid, (2) chlorogenic acid, (3) caffeic acid, (4) geniposide, (5) luteoloside, (6) isochlorogenic acid C, (7) baicalin, (8) luteolin, (9) wogonoside, (10) baicalein and (11) wogonin. This figure is available in black and white in print and in color at JCS online.