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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+.
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M+Na
M+NH4
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M-H
M+acetate
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+e
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M+CH3CNH
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Found 87 results
Search term:
MF = 'C_{20}H_{18}F_{4}N_{4}OS'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1721006
zoom
C
20
H
18
F
4
N
4
OS
438.4417
13
10
0
0
4384964
zoom
C
20
H
18
F
4
N
4
OS
438.4417328
12
9
0
0
4032151
zoom
C
20
H
18
F
4
N
4
OS
438.4417328
11
8
0
0
12535574
zoom
C
20
H
18
F
4
N
4
OS
438.4417
11
8
0
0
18357790
zoom
C
20
H
18
F
4
N
4
OS
438.4417
10
8
0
0
18357812
zoom
C
20
H
18
F
4
N
4
OS
438.4417
10
8
0
0
11155607
zoom
C
20
H
18
F
4
N
4
OS
438.4417
10
6
0
0
30675850
zoom
C
20
H
18
F
4
N
4
OS
438.4417
9
8
0
0
30515644
zoom
C
20
H
18
F
4
N
4
OS
438.4417
9
7
0
0
21968405
zoom
C
20
H
18
F
4
N
4
OS
438.4417
8
6
0
0
23744510
- 0/1 defined
zoom
C
20
H
18
F
4
N
4
OS
438.4417
7
8
0
0
30569800
zoom
C
20
H
18
F
4
N
4
OS
438.4417
7
7
0
0
11686132
zoom
C
20
H
18
F
4
N
4
OS
438.4417
4
2
0
0
31239481
- 0/1 defined
zoom
C
20
H
18
F
4
N
4
OS
438.4417
4
4
0
0
31256817
- 0/1 defined
zoom
C
20
H
18
F
4
N
4
OS
438.4417
4
4
0
0
33545733
zoom
C
20
H
18
F
4
N
4
OS
438.4417
3
3
0
0
33650799
- 0/1 defined
zoom
C
20
H
18
F
4
N
4
OS
438.4417
3
3
0
0
34361777
zoom
C
20
H
18
F
4
N
4
OS
438.4417
3
3
0
0
34377158
zoom
C
20
H
18
F
4
N
4
OS
438.4417
3
3
0
0
35034736
- 0/1 defined
zoom
C
20
H
18
F
4
N
4
OS
438.4417
3
3
0
0
1
2
3
4
5
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