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Selected-ion monitoring (SIM) chromatographs corresponding to the LC-MSn analysis of authentic VM55599 (4) (m/z 350) (A), authentic pre-paraherquamide (5) (m/z 350) (B), isolation from P. fellutanum cultures (m/z 350) (C), and isolation from A. japonicus JV-23 (m/z 350) (D).
