Mass

MS-IW-0776          
7-acetoacetyl-9,9a-dihydro-6H-pyrido(1,2-f)phenanthridine-6,8(7H)-dione
C21H17NO4           (Mass of molecular ion:    347)

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

      43.0       7.2
      66.0       1.1
      69.0       2.6
      76.0       1.5
      84.0       4.0
      85.0       2.7
      98.0       2.1
     125.0       1.4
     126.0       1.3
     140.0       1.4
     150.0       3.0
     151.0       5.0
     152.0       6.2
     153.0       7.6
     165.0       1.9
     168.0       1.7
     177.0       1.8
     178.0       7.5
     179.0      35.3
     180.0     100.0
     181.0      14.4
     182.0       1.0
     190.0       1.2
     192.0       1.8
     193.0       3.0
     220.0       1.8
     221.0       1.4
     263.0       6.4
     264.0       1.2
     300.0       1.1
     328.0       5.6
     329.0       4.3
     330.0       1.0
     347.0      20.3
     348.0       4.9