![图谱](https://www.chemicalbook.com/Spectrum/20561-09-5_MS_1.jpg)
Mass
MS-IW-1268
diethyl 1,2-cyclopropanedicarboxylate
C9H14O4 (Mass of molecular ion: 186)
Source Temperature: 230 °C
Sample Temperature: 160 °C
Reservoir, 75 eV
27.0 6.5
28.0 2.2
29.0 28.6
31.0 1.0
39.0 7.9
40.0 3.5
41.0 4.0
42.0 3.0
43.0 2.2
45.0 2.8
55.0 7.7
57.0 5.1
67.0 3.3
68.0 7.6
69.0 2.0
71.0 1.0
73.0 1.2
84.0 15.9
85.0 31.4
86.0 14.2
95.0 3.2
96.0 1.7
99.0 1.1
112.0 33.1
113.0 31.3
114.0 18.9
115.0 1.4
131.0 2.9
140.0 13.0
141.0 100.0
142.0 9.9
143.0 1.0
157.0 4.0
158.0 2.7
159.0 9.3
186.0 3.7
187.0 1.1