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ChemSpider
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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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+H+
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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
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+e
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Monoisotopic Mass:
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M+CH3CNH
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Found 178 results
Search term:
MF = 'C_{20}H_{23}N_{4}O_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2391078
zoom
C
20
H
23
N
4
O
2
351.42222
9
4
0
0
2597735
zoom
C
20
H
23
N
4
O
2
351.4217
2
1
0
0
4247023
zoom
C
20
H
23
N
4
O
2
351.42222
2
2
0
0
5187088
zoom
C
20
H
23
N
4
O
2
351.4217
2
2
0
0
5289650
- 1/1 defined
zoom
C
20
H
23
N
4
O
2
351.42222
2
2
0
0
7121003
zoom
C
20
H
23
N
4
O
2
351.4217
2
1
0
0
7149858
zoom
C
20
H
23
N
4
O
2
351.4217
2
1
0
0
1490175
zoom
C
20
H
23
N
4
O
2
351.4217
2
1
0
0
1552861
zoom
C
20
H
23
N
4
O
2
351.4217
2
1
0
0
1978619
zoom
C
20
H
23
N
4
O
2
351.4217
2
2
0
0
21433275
zoom
C
20
H
23
N
4
O
2
351.4217
2
2
0
0
95755760
zoom
C
20
H
23
N
4
O
2
351.4217
1
1
0
0
1992867
zoom
C
20
H
23
N
4
O
2
351.4217
1
1
0
0
1993791
zoom
C
20
H
23
N
4
O
2
351.4217
1
1
0
0
7293747
zoom
C
20
H
23
N
4
O
2
351.4217
1
1
0
0
7318213
zoom
C
20
H
23
N
4
O
2
351.4217
1
1
0
0
7328212
zoom
C
20
H
23
N
4
O
2
351.4217
1
1
0
0
7359669
zoom
C
20
H
23
N
4
O
2
351.4217
1
1
0
0
21220078
zoom
C
20
H
23
N
4
O
2
351.4217
1
1
0
0
1
2
3
4
5
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