FIGURE S1 UPLC chromatogram of blank sample (A), 26 reference standards (B) and representative sample (C) detected at 290 nm. Small molecules in Yinxieling decoction: 1.Gallic acid; 2.5-Hydroxymethylfurfural; 3.Protocatechuic acid, 4.Neochlorogenic acid; 5.(+)-catechin; 6. Chlorogenic acid; 7. Caffeic acid; 8. Cryptochlorogenic acid; 9. Eleutheroside B1; 10. 3-O-caffeoylshikimic acid ; 11. 4-O-caffeoylshikimic acid; 12.p-coumaric acid; 13.Paeoniflorin; 14.Isofraxidin; 15.Neoastilbin; 16. Galloyl paeoniflorin; 17. Astilbin; 18.Neoisoastilbin; 19.Isoastilbin; 20.Rosmarinic acid; 21.Engeletin; 22.1,7-bis(4-hydroxyphenyl)hepta-4E-6E-dien-3-one; 23. Zederone