![图谱](https://www.chemicalbook.com/Spectrum/5473-15-4_MS_1.jpg)
Mass
MS-IW-5224
3-(4-acetamidobenzoyl)propionic acid
C12H13NO4 (Mass of molecular ion: 235)
Source Temperature: 170 °C
Sample Temperature: 170 °C
Direct, 75 eV
17.0 4.0
18.0 20.1
27.0 1.8
28.0 3.1
39.0 2.3
41.0 1.3
42.0 1.0
43.0 18.0
44.0 1.9
45.0 1.5
55.0 2.3
63.0 2.4
64.0 2.9
65.0 9.3
66.0 1.3
77.0 1.4
90.0 1.5
91.0 4.5
92.0 13.5
93.0 4.0
118.0 1.8
119.0 3.2
120.0 100.0
121.0 13.0
122.0 1.3
130.0 1.4
135.0 1.0
146.0 2.3
147.0 2.8
148.0 1.2
162.0 79.2
163.0 8.0
175.0 6.1
176.0 1.3
193.0 3.1
217.0 7.1
218.0 2.2
235.0 24.6
236.0 3.5