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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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+e
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Found 307 results
Search term:
MF = 'C_{20}H_{13}N_{3}O_{3}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2368199
- 0/1 defined
zoom
C
20
H
13
N
3
O
3
343.33552
38
24
0
0
8103672
zoom
C
20
H
13
N
3
O
3
343.3355
38
48
116
73
618165
zoom
C
20
H
13
N
3
O
3
343.3355
26
17
0
0
605025
zoom
C
20
H
13
N
3
O
3
343.3355
25
16
0
0
2369713
- 0/1 defined
zoom
C
20
H
13
N
3
O
3
343.33552
25
17
0
0
2798249
- 0/1 defined
zoom
C
20
H
13
N
3
O
3
343.33552
24
17
0
0
2401383
- 0/1 defined
zoom
C
20
H
13
N
3
O
3
343.33552
23
14
0
0
4658826
zoom
C
20
H
13
N
3
O
3
343.3355
22
16
0
0
588844
zoom
C
20
H
13
N
3
O
3
343.3355
22
13
0
0
2117620
- 0/1 defined
zoom
C
20
H
13
N
3
O
3
343.33552
21
15
0
0
766677
zoom
C
20
H
13
N
3
O
3
343.3355
21
14
0
0
825175
zoom
C
20
H
13
N
3
O
3
343.3355
21
12
0
0
611937
zoom
C
20
H
13
N
3
O
3
343.3355
20
12
0
0
716730
zoom
C
20
H
13
N
3
O
3
343.3355
20
10
0
0
4912381
zoom
C
20
H
13
N
3
O
3
343.3355
20
11
0
0
4098770
zoom
C
20
H
13
N
3
O
3
343.33552
20
15
0
0
5774343
zoom
C
20
H
13
N
3
O
3
343.3355
19
12
0
0
5890953
zoom
C
20
H
13
N
3
O
3
343.3355
19
11
0
0
4789017
zoom
C
20
H
13
N
3
O
3
343.3355
19
12
0
0
1228684
zoom
C
20
H
13
N
3
O
3
343.3355
19
20
0
0
1
2
3
4
5
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