Figure 3.

MS/MS spectrum of compound 84 (m/z 486.172 RT 22.49), tentatively identified as convicine + C₁₀H₁₄O₃; characteristic losses for convicine are indicated: the loss of 86.03 (C₂H₂N₂O₂) from isouramil, the loss of isouramil (−143.03 C₄H₅N₃O₃), convicine at m/z 304.074, and isouramil − 2H at m/z 141.016. The highest intensity m/z values that were used in the MZCloud library search and matched to decenedioic acid are encircled in red.