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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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Nominal Mass:
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Average Mass:
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M+CH3CNH
M+CH3OH2
M+.
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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+.
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M+Na
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Found 58 results
Search term:
MF = 'C_{21}H_{20}F_{4}N_{4}O_{2}S'
1
2
3
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
22245651
- 0/1 defined
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
11
9
0
0
30498540
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
8
7
0
0
30632091
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
8
8
0
0
31648375
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
4
4
0
0
23342328
- 1/1 defined
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
4
4
0
0
23342329
- 1/1 defined
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
4
4
0
0
22018908
- 0/1 defined
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
4
4
0
0
58949604
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
3
3
0
0
76798715
- 1/1 defined
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
3
3
0
0
76801424
- 2/2 defined
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
3
4
0
0
26362008
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
3
3
0
0
31791850
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
3
3
0
0
35034734
- 0/1 defined
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
3
3
0
0
90635028
- 2/2 defined
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
2
2
0
0
90656512
- 0/2 defined
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
2
2
0
0
58973437
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
2
2
0
0
61745117
- 0/1 defined
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
1
1
0
0
48156879
zoom
C
21
H
20
F
4
N
4
O
2
S
468.4677
1
1
0
0
1
2
3
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