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Detailed view of on-line LC-MS/MS analyses performed for the analyses of the skin secretion of R. schneideri ((a) zoomed TIC chromatogram and (b) MS and MS2 profiles) and R. jimi ((c) zoomed TIC chromatogram and (d) MS and MS2 profiles). The molecules could be identified as being dehydrobufotenine and hellebrigenin based on the daughter ions and published results.
