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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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M+CH3CNH
M+CH3OH2
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Found 43 results
Search term:
MF = 'C_{21}H_{14}N_{2}O_{7}S'
1
2
3
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
13230926
zoom
C
21
H
14
N
2
O
7
S
438.4101
53
64
0
0
2752617
zoom
C
21
H
14
N
2
O
7
S
438.41006
16
11
0
0
3062022
zoom
C
21
H
14
N
2
O
7
S
438.4101
15
10
0
0
2381281
zoom
C
21
H
14
N
2
O
7
S
438.41006
13
7
0
0
20571682
zoom
C
21
H
14
N
2
O
7
S
438.4101
12
10
0
0
20481396
zoom
C
21
H
14
N
2
O
7
S
438.4101
11
14
0
0
4737371
zoom
C
21
H
14
N
2
O
7
S
438.4101
10
18
0
0
20785573
zoom
C
21
H
14
N
2
O
7
S
438.41006
9
8
0
0
4757616
zoom
C
21
H
14
N
2
O
7
S
438.4101
8
6
0
0
4516362
zoom
C
21
H
14
N
2
O
7
S
438.4101
8
5
0
0
25958786
zoom
C
21
H
14
N
2
O
7
S
438.4101
6
3
0
0
29347679
- 0/3 defined
zoom
C
21
H
14
N
2
O
7
S
438.4101
5
4
0
0
21489475
zoom
C
21
H
14
N
2
O
7
S
438.4101
4
6
0
0
10143802
zoom
C
21
H
14
N
2
O
7
S
438.4101
4
4
0
0
23349494
zoom
C
21
H
14
N
2
O
7
S
438.4101
4
4
0
0
3078803
zoom
C
21
H
14
N
2
O
7
S
438.4101
3
2
0
0
9179841
zoom
C
21
H
14
N
2
O
7
S
438.4101
2
1
0
0
23204914
zoom
C
21
H
14
N
2
O
7
S
438.4101
2
2
0
0
32997349
zoom
C
21
H
14
N
2
O
7
S
438.4101
2
2
0
0
71096628
zoom
C
21
H
14
N
2
O
7
S
438.4101
2
1
0
0
1
2
3
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