Figure 3.
MSn spectra of Compounds 1–3 (a, b, c) and Compound 4 (d, e, f). (a) MS2 (+) 580; (b) MS3 (+) 580→562; (c) MS4 (+) 580→562→404; (d) MS2 (+) 418; (e) MS3 (+) 418→386; (f) MS4 (+) 418→386→358 using LC ion trap MS.
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