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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
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M+Na
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+e
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Found 1929 results
Search term:
MF = 'C_{20}H_{16}N_{4}O'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
289404
- 0/1 defined
zoom
C
20
H
16
N
4
O
328.3672
67
49
0
0
10749547
zoom
C
20
H
16
N
4
O
328.3672
47
25
0
0
2959316
- 0/1 defined
zoom
C
20
H
16
N
4
O
328.36724
44
36
0
0
17243120
zoom
C
20
H
16
N
4
O
328.3672
38
27
0
0
1037282
zoom
C
20
H
16
N
4
O
328.3672
31
21
0
0
68019847
zoom
C
20
H
16
N
4
O
328.3672
27
33
0
0
2169601
- 0/1 defined
zoom
C
20
H
16
N
4
O
328.36724
26
16
0
0
766753
zoom
C
20
H
16
N
4
O
328.3672
26
18
0
0
649880
zoom
C
20
H
16
N
4
O
328.3672
26
13
0
0
761690
zoom
C
20
H
16
N
4
O
328.3672
26
16
0
0
720832
zoom
C
20
H
16
N
4
O
328.3672
25
16
0
0
2377039
- 0/1 defined
zoom
C
20
H
16
N
4
O
328.36724
25
17
0
0
3407058
- 0/1 defined
zoom
C
20
H
16
N
4
O
328.36724
25
14
0
0
2095351
zoom
C
20
H
16
N
4
O
328.36724
25
16
0
0
2394576
zoom
C
20
H
16
N
4
O
328.36724
24
12
0
0
688737
zoom
C
20
H
16
N
4
O
328.3672
24
15
0
0
765035
zoom
C
20
H
16
N
4
O
328.3672
23
13
0
0
1063210
zoom
C
20
H
16
N
4
O
328.3672
23
15
0
0
59703166
zoom
C
20
H
16
N
4
O
328.3672
23
21
0
0
3853046
- 0/1 defined
zoom
C
20
H
16
N
4
O
328.3672
22
13
0
0
1
2
3
4
5
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