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Table 1 UV and high resolution mass spectrometry

From: Bikinin-like inhibitors targeting GSK3/Shaggy-like kinases: characterisation of novel compounds and elucidation of their catabolism in planta

Compound UVmax[nm] m/z; deviation to the calculated m/zin ppm; ion type Calculated formula for [M]
10 250/292 334.9892; 1.5; [M + H]+ C10H11IN2O3
335.9921; 0.0; [13CM + H]+a
356.9708; 0.3; [M + Na]+
357.9742; 0.6; [13CM + Na]+
209.0920; 0.5; [M-I + H]+
210.0954; 0.0; [13CM-I + H]+
15 250/292 320.9735; 1.2; [M + H]+ C9H9IN2O3
321.9764; 0.0; [13CM + H]+
342.9551; 0.3; [M + Na]+
P1 251/292 320.9734; 0.9; [M + H]+ C9H9IN2O3
321.9766; 0.6; [13CM + H]+
342.9552; 0.6; [M + Na]+
P2 251/292 450.0163; 1.3; [M + H]+ C14H16IN3O6
451.0192; 0.4; [13CM + H]+
471.9978; 0.4; [M + Na]+
473.0012; 0.4; [13CM + Na]+
324.1192; 0.6; [M-I + H]+
325.1225; 0.3; [13CM-I + H]+
P3 251/292 436.9846; 1.4; [M + H]+ C13H13IN2O7
437.9876; 0.5; [13CM + H]+
458.9662; 0.4; [M + Na]+
459.9695; 0.4; [13CM + Na]+
311.0874; 0.6; [M-I + H]+
   312.0907; 0.6; [13CM-I + H]+  
  1. a[13CM] means that the mother molecule contains one 13C carbon.