Fig. 1

The production scan spectra and chemical structure of the tested compounds and scutellarin (IS): a astragaloside IV; b cycloastragenol; c calycosin-7-O-β-d-glucoside; d calycosin; e ononin; f formononetin; g IS
The production scan spectra and chemical structure of the tested compounds and scutellarin (IS): a astragaloside IV; b cycloastragenol; c calycosin-7-O-β-d-glucoside; d calycosin; e ononin; f formononetin; g IS