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A simple, rapid, sensitive, selective, and environmentally friendly method, based on a dispersive micro solid-phase extraction approach (dispersive micro SPE) coupled with liquid chromatography-high-resolution mass spectrometry (LC-HRMS), was established for the analysis of sulfonamides in honey and milk. An efficient nontargeted screening strategy was(More)
Ten new cembrane-based diterpenes, locrassumins A-G (1-7), (-)-laevigatol B (8), (-)-isosarcophine (9), and (-)-7R,8S-dihydroxydeepoxysarcophytoxide (10), were isolated from a South China Sea collection of the soft coral Lobophytum crassum, together with eight known analogues (11-18). The structures of the new compounds were determined by extensive(More)
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