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ChemSpider
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Structure
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Molecular Formula:
Define range intervals using parentheses.
E.g. C7H(10-14)O(0-4)
Molecular Weight:
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(example: 123 ± 1)
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Average Mass:
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M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
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+e
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M+CH3CNH
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M+Na
M+NH4
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Found 204 results
Search term:
MF = 'C_{20}H_{19}F_{3}N_{4}O_{5}'
1
2
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5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
21351938
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
16
10
0
0
7902235
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
13
8
0
0
29348739
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
13
7
0
0
21081830
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
13
11
0
0
3734506
zoom
C
20
H
19
F
3
N
4
O
5
452.3838696
11
8
0
0
4059843
zoom
C
20
H
19
F
3
N
4
O
5
452.3838696
11
8
0
0
10935151
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
11
7
0
0
11003324
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
11
7
0
0
11782064
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
10
7
0
0
21906704
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
9
7
0
0
22359650
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
9
8
0
0
29988238
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
9
6
0
0
30494533
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
8
7
0
0
22363140
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
8
7
0
0
22567407
- 0/1 defined
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
8
6
0
0
22576884
- 0/1 defined
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
8
6
0
0
22994876
- 0/1 defined
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
7
6
0
0
30560664
- 0/1 defined
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
7
7
0
0
31635358
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
5
5
0
0
78317731
- 3/3 defined
zoom
C
20
H
19
F
3
N
4
O
5
452.3839
5
5
0
0
1
2
3
4
5
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