4-苯并吡喃酮-2-羧酸(4940-39-0)质谱(MS)
InChI:InChI=1S/C10H6O4/c11-7-5-9(10(12)13)14-8-4-2-1-3-6(7)8/h1-5H,(H,12,13)
InChIKey: RVMGXWBCQGAWBR-UHFFFAOYSA-N
Smiles:C1(C(O)=O)OC2=CC=CC=C2C(=O)C=1
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Mass
MS-IW-0751
4-oxo-4H-chromene-2-carboxylic acid
C10H6O4 (Mass of molecular ion: 190)
Source Temperature: 160 °C
Sample Temperature: 160 °C
Direct, 75 eV
17.0 2.9
18.0 18.3
28.0 1.4
38.0 1.4
39.0 2.6
44.0 3.7
45.0 1.1
50.0 4.9
51.0 1.8
53.0 2.3
62.0 2.0
63.0 7.1
64.0 5.8
67.0 3.4
69.0 4.8
74.0 2.1
75.0 2.3
76.0 4.2
77.0 1.8
78.0 2.2
89.0 9.0
90.0 3.3
92.0 16.9
93.0 1.4
106.0 1.1
117.0 1.1
118.0 2.8
120.0 15.8
121.0 1.6
134.0 4.4
145.0 11.3
146.0 6.8
162.0 34.3
163.0 3.6
190.0 100.0
191.0 11.4
192.0 1.4
204.0 1.3