Mass

MS-IW-6509          
3,5-diacetyl-1-methyl-4-phenyl-1,4-dihydropyridine
C16H17NO2           (Mass of molecular ion:    255)

   Source Temperature: 170 °C
   Sample Temperature: 160 °C
   Direct, 75 eV

      18.0       1.4
      42.0       1.7
      43.0       3.6
      93.0       1.3
      94.0       2.0
     115.0       1.0
     120.0       1.0
     135.0       3.3
     136.0       5.1
     160.0       1.7
     168.0       1.7
     169.0       1.3
     170.0       1.5
     178.0     100.0
     179.0      12.0
     180.0       1.4
     212.0       6.2
     213.0       1.2
     238.0       1.4
     239.0       1.9
     240.0       1.8
     254.0      14.0
     255.0      38.6
     256.0       6.8