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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-.
M+Cl
-e
+e
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Monoisotopic Mass:
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M+CH3CNH
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M+.
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M+Na
M+NH4
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Found 65 results
Search term:
MF = 'C_{20}H_{20}N_{3}O_{2}'
1
2
3
4
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
820932
zoom
C
20
H
20
N
3
O
2
334.3912
5
2
0
0
10318560
zoom
C
20
H
20
N
3
O
2
334.3912
5
5
0
0
1727902
zoom
C
20
H
20
N
3
O
2
334.3912
4
1
0
0
4227291
zoom
C
20
H
20
N
3
O
2
334.3917
4
2
0
0
7121085
- 1/1 defined
zoom
C
20
H
20
N
3
O
2
334.3912
2
1
0
0
7121086
- 1/1 defined
zoom
C
20
H
20
N
3
O
2
334.3912
2
1
0
0
7124197
zoom
C
20
H
20
N
3
O
2
334.3912
2
1
0
0
8103242
zoom
C
20
H
20
N
3
O
2
334.3912
2
1
0
0
9748318
zoom
C
20
H
20
N
3
O
2
334.3917
2
1
0
0
10173157
zoom
C
20
H
20
N
3
O
2
334.3912
2
2
0
0
2611352
zoom
C
20
H
20
N
3
O
2
334.3912
2
1
0
0
2942684
zoom
C
20
H
20
N
3
O
2
334.3917
2
1
0
0
2958394
zoom
C
20
H
20
N
3
O
2
334.3917
2
1
0
0
3434663
- 0/1 defined
zoom
C
20
H
20
N
3
O
2
334.3917
2
1
0
0
3503340
zoom
C
20
H
20
N
3
O
2
334.3917
2
1
0
0
3846683
- 0/1 defined
zoom
C
20
H
20
N
3
O
2
334.3912
2
1
0
0
21422000
zoom
C
20
H
20
N
3
O
2
334.3917
2
1
0
0
21422005
zoom
C
20
H
20
N
3
O
2
334.3917
2
1
0
0
1303123
zoom
C
20
H
20
N
3
O
2
334.3912
2
1
0
0
1556342
zoom
C
20
H
20
N
3
O
2
334.3912
2
1
0
0
1
2
3
4
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