Additional file 3: Figure S2. of A fast and simple LC-MS-based characterization of the flavonoid biosynthesis pathway for few seed(ling)s

External and Internal standards. EICs of external standards; Figure S3. Linearity and EICs of deuterated, internal standards; Table S7. Stability of standards over time and in dependence of acid, Table S8. Precision and linearity of the selected external standards; and Methods S1. Internal standard synthesis. (PDF 1682 kb)