凱林(82-02-0)核磁圖(13CNMR)
InChI:InChI=1S/C14H12O5/c1-7-6-9(15)10-11(16-2)8-4-5-18-12(8)14(17-3)13(10)19-7/h4-6H,1-3H3
InChIKey: HSMPDPBYAYSOBC-UHFFFAOYSA-N
Smiles:C1(C)OC2=C(OC)C3OC=CC=3C(OC)=C2C(=O)C=1
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Mass
MS-IW-9456
4,9-dimethoxy-7-methylfuro(3,2-g)chromen-5-one
C14H12O5 (Mass of molecular ion: 260)
Source Temperature: 170 °C
Sample Temperature: 150 °C
Direct, 75 eV
15.0 4.2
18.0 2.6
27.0 2.5
28.0 5.9
29.0 2.0
37.0 1.3
38.0 5.0
39.0 8.9
40.0 2.0
43.0 12.1
50.0 2.6
51.0 5.8
52.0 1.3
53.0 4.5
55.0 1.7
59.0 1.0
61.0 2.8
62.0 5.0
63.0 5.1
64.0 1.4
65.0 3.8
66.0 9.2
67.0 8.7
68.0 2.2
69.0 2.4
73.0 1.7
74.0 2.9
75.0 3.8
76.0 2.1
77.0 8.3
78.0 2.9
79.0 2.3
80.0 1.0
81.0 4.2
83.0 2.2
86.0 1.4
87.0 3.2
88.0 1.1
89.0 3.2
90.0 4.5
91.0 3.7
92.0 3.6
93.0 3.1
94.0 6.3
95.0 5.3
101.0 3.3
102.0 3.8
103.0 1.7
104.0 1.2
105.0 14.0
106.0 3.4
107.0 1.1
109.0 1.7
115.0 2.0
116.0 1.3
117.0 1.6
118.0 3.6
119.0 5.2
120.0 1.2
121.0 2.7
122.0 1.8
123.0 1.6
130.0 7.5
130.5 1.1
131.0 1.9
132.0 1.4
133.0 2.8
134.0 4.9
143.0 1.1
145.0 1.5
146.0 1.6
147.0 11.8
148.0 1.6
149.0 3.3
150.0 3.1
151.0 1.5
153.0 2.4
159.0 1.7
160.0 2.7
161.0 4.8
162.0 4.1
163.0 1.7
171.0 1.4
173.0 3.3
174.0 2.8
175.0 13.4
176.0 2.0
177.0 19.1
178.0 2.1
184.0 1.4
186.0 1.0
187.0 2.0
188.0 1.0
189.0 29.2
190.0 5.0
191.0 1.8
199.0 1.1
201.0 4.6
202.0 6.0
203.0 1.6
205.0 5.0
214.0 3.5
215.0 6.8
216.0 78.8
217.0 47.4
218.0 6.3
219.0 1.0
227.0 7.9
228.0 2.4
229.0 2.0
230.0 4.9
231.0 39.6
232.0 5.9
243.0 2.4
244.0 2.9
245.0 100.0
246.0 14.6
247.0 2.1
259.0 4.8
260.0 89.9
261.0 15.7
262.0 2.2