![EIC: (a) petasin and its stereoisomers in FR:36; (b) S-petasin and its... | Download Scientific Diagram EIC: (a) petasin and its stereoisomers in FR:36; (b) S-petasin and its... | Download Scientific Diagram](https://www.researchgate.net/profile/Thomas-Letzel/publication/253852874/figure/tbl2/AS:670323506679813@1536828986185/The-empirical-formulas-for-significant-mass-signals-and-corresponding-compounds-with_Q320.jpg)
EIC: (a) petasin and its stereoisomers in FR:36; (b) S-petasin and its... | Download Scientific Diagram
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![EIC: (a) petasin and its stereoisomers in FR:36; (b) S-petasin and its... | Download Scientific Diagram EIC: (a) petasin and its stereoisomers in FR:36; (b) S-petasin and its... | Download Scientific Diagram](https://www.researchgate.net/profile/Juergen-Drewe/publication/277726326/figure/tbl3/AS:669670180929563@1536673221729/PA-standards-and-their-recovery-in-aqueous-solution-matrix-solution-from-artichoke_Q320.jpg)
EIC: (a) petasin and its stereoisomers in FR:36; (b) S-petasin and its... | Download Scientific Diagram
![EIC: (a) petasin and its stereoisomers in FR:36; (b) S-petasin and its... | Download Scientific Diagram EIC: (a) petasin and its stereoisomers in FR:36; (b) S-petasin and its... | Download Scientific Diagram](https://i1.rgstatic.net/publication/253852874_Simultaneous_investigation_of_sesquiterpenes_pyrrolizidine_alkaloids_and_N-oxides_in_Butterbur_Petasites_hybridus_with_an_offline_2D-combination_of_HPLC-UV_and_LC-MMI-ToF-MS/links/59f72407a6fdcc075ec62f34/largepreview.png)
EIC: (a) petasin and its stereoisomers in FR:36; (b) S-petasin and its... | Download Scientific Diagram
![EIC: (a) petasin and its stereoisomers in FR:36; (b) S-petasin and its... | Download Scientific Diagram EIC: (a) petasin and its stereoisomers in FR:36; (b) S-petasin and its... | Download Scientific Diagram](https://www.researchgate.net/profile/Thomas-Letzel/publication/253852874/figure/tbl1/AS:670323506700291@1536828986161/The-set-of-investigated-chemical-database_Q320.jpg)