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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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M+Na
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M-H
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+e
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Found 2348 results
Search term:
MF = 'C_{20}H_{17}NO_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2016212
- 1/1 defined
zoom
C
20
H
17
NO
4
335.35328
88
63
0
0
5370819
- 1/1 defined
zoom
C
20
H
17
NO
4
335.3533
71
50
0
0
311050
zoom
C
20
H
17
NO
4
335.3533
56
43
0
0
28290926
zoom
C
20
H
17
NO
4
335.3533
53
34
0
0
10038049
- 1/1 defined
zoom
C
20
H
17
NO
4
335.3533
48
41
0
0
1240258
zoom
C
20
H
17
NO
4
335.3533
43
36
0
0
598919
zoom
C
20
H
17
NO
4
335.3533
39
22
0
0
638161
zoom
C
20
H
17
NO
4
335.3533
38
26
0
0
3619351
- 0/1 defined
zoom
C
20
H
17
NO
4
335.35328
37
41
0
0
73584
zoom
C
20
H
17
NO
4
335.3533
36
30
0
0
20125100
zoom
C
20
H
17
NO
4
335.3533
34
30
0
0
23955678
zoom
C
20
H
17
NO
4
335.3533
34
28
0
0
716396
zoom
C
20
H
17
NO
4
335.3533
33
23
0
0
770700
zoom
C
20
H
17
NO
4
335.3533
30
19
0
0
1026099
zoom
C
20
H
17
NO
4
335.3533
28
18
0
0
2254450
- 0/1 defined
zoom
C
20
H
17
NO
4
335.35328
28
21
0
0
762999
zoom
C
20
H
17
NO
4
335.3533
27
17
0
0
700555
zoom
C
20
H
17
NO
4
335.3533
26
15
0
0
620837
zoom
C
20
H
17
NO
4
335.3533
26
18
0
0
1474276
zoom
C
20
H
17
NO
4
335.3533
26
19
0
0
1
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