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ChemSpider
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Molecular Formula:
Define range intervals using parentheses.
E.g. C7H(10-14)O(0-4)
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M+CH3CNH
M+CH3OH2
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M+CH3CNH
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Found 722 results
Search term:
MF = 'C_{21}H_{16}N_{4}O_{5}'
1
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5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2932034
zoom
C
21
H
16
N
4
O
5
404.37554
26
17
0
0
4096699
- 0/1 defined
zoom
C
21
H
16
N
4
O
5
404.37554
24
16
0
0
3006116
zoom
C
21
H
16
N
4
O
5
404.37554
21
12
0
0
1052875
zoom
C
21
H
16
N
4
O
5
404.3755
21
12
0
0
1023867
zoom
C
21
H
16
N
4
O
5
404.3755
20
14
0
0
5267396
zoom
C
21
H
16
N
4
O
5
404.3755
20
18
0
0
1116487
zoom
C
21
H
16
N
4
O
5
404.3755
19
13
0
0
1128912
zoom
C
21
H
16
N
4
O
5
404.3755
19
13
0
0
1141907
zoom
C
21
H
16
N
4
O
5
404.3755
19
13
0
0
1178232
zoom
C
21
H
16
N
4
O
5
404.3755
19
12
0
0
2637600
zoom
C
21
H
16
N
4
O
5
404.3755
19
11
0
0
934180
zoom
C
21
H
16
N
4
O
5
404.3755
18
12
0
0
1116377
zoom
C
21
H
16
N
4
O
5
404.3755
18
14
0
0
12899793
zoom
C
21
H
16
N
4
O
5
404.3755
18
12
0
0
17525342
zoom
C
21
H
16
N
4
O
5
404.3755
17
11
0
0
17526698
zoom
C
21
H
16
N
4
O
5
404.3755
17
11
0
0
6402173
zoom
C
21
H
16
N
4
O
5
404.3755
17
12
0
0
4883725
zoom
C
21
H
16
N
4
O
5
404.3755
17
12
0
0
1689232
zoom
C
21
H
16
N
4
O
5
404.3755
17
11
0
0
2359194
zoom
C
21
H
16
N
4
O
5
404.37554
17
10
0
0
1
2
3
4
5
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