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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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M+CH3CNH
M+CH3OH2
M+.
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M+Na
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M-H
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+e
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M+CH3CNH
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Found 8980 results
Search term:
MF = 'C_{21}H_{20}N_{2}O_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1695745
zoom
C
21
H
20
N
2
O
4
364.3945
33
20
0
0
30507723
zoom
C
21
H
20
N
2
O
4
364.3945
33
19
0
0
1003836
zoom
C
21
H
20
N
2
O
4
364.3945
31
22
0
0
896075
zoom
C
21
H
20
N
2
O
4
364.3945
30
23
0
0
570097
zoom
C
21
H
20
N
2
O
4
364.3945
29
18
0
0
2664139
- 0/1 defined
zoom
C
21
H
20
N
2
O
4
364.3945
29
19
0
0
4221990
- 0/1 defined
zoom
C
21
H
20
N
2
O
4
364.3945
29
21
0
0
927007
zoom
C
21
H
20
N
2
O
4
364.3945
28
18
0
0
948844
zoom
C
21
H
20
N
2
O
4
364.3945
28
17
0
0
926048
zoom
C
21
H
20
N
2
O
4
364.3945
27
16
0
0
2067411
- 0/1 defined
zoom
C
21
H
20
N
2
O
4
364.3945
27
19
0
0
1365131
zoom
C
21
H
20
N
2
O
4
364.3945
27
16
0
0
1661059
zoom
C
21
H
20
N
2
O
4
364.3945
26
17
0
0
574331
zoom
C
21
H
20
N
2
O
4
364.3945
26
14
0
0
930876
zoom
C
21
H
20
N
2
O
4
364.3945
26
17
0
0
930877
zoom
C
21
H
20
N
2
O
4
364.3945
25
16
0
0
985788
zoom
C
21
H
20
N
2
O
4
364.3945
25
14
0
0
998214
zoom
C
21
H
20
N
2
O
4
364.3945
25
13
0
0
1034874
zoom
C
21
H
20
N
2
O
4
364.3945
25
17
0
0
2167025
- 0/1 defined
zoom
C
21
H
20
N
2
O
4
364.3945
25
21
0
0
1
2
3
4
5
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