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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
M+.
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M+Na
M+NH4
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M-H
M+acetate
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+e
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M+CH3CNH
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M+Na
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Found 14281 results
Search term:
MF = 'C_{20}H_{20}N_{2}O_{3}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
9899276
- 0/1 defined
zoom
C
20
H
20
N
2
O
3
336.3844
50
45
0
0
38969
zoom
C
20
H
20
N
2
O
3
336.3844
39
70
1
0
4485937
zoom
C
20
H
20
N
2
O
3
336.3844
37
34
0
0
21106432
- 3/3 defined
zoom
C
20
H
20
N
2
O
3
336.3844
37
42
0
0
557005
zoom
C
20
H
20
N
2
O
3
336.3844
36
37
0
0
780277
zoom
C
20
H
20
N
2
O
3
336.3844
35
20
0
0
2179757
zoom
C
20
H
20
N
2
O
3
336.3844
32
16
0
0
226188
zoom
C
20
H
20
N
2
O
3
336.3844
32
18
0
0
594387
zoom
C
20
H
20
N
2
O
3
336.3844
31
18
0
0
687194
zoom
C
20
H
20
N
2
O
3
336.3844
31
31
0
0
2096573
- 0/1 defined
zoom
C
20
H
20
N
2
O
3
336.3844
31
24
0
0
846912
zoom
C
20
H
20
N
2
O
3
336.3844
30
19
0
0
617380
zoom
C
20
H
20
N
2
O
3
336.3844
30
22
0
0
631434
zoom
C
20
H
20
N
2
O
3
336.3844
29
17
0
0
2134715
- 0/2 defined
zoom
C
20
H
20
N
2
O
3
336.3844
29
19
0
0
2927377
- 0/1 defined
zoom
C
20
H
20
N
2
O
3
336.3844
28
17
0
0
4126631
zoom
C
20
H
20
N
2
O
3
336.3844
28
18
0
0
678267
zoom
C
20
H
20
N
2
O
3
336.3844
28
18
0
0
630278
zoom
C
20
H
20
N
2
O
3
336.3844
28
16
0
0
583061
zoom
C
20
H
20
N
2
O
3
336.3844
28
16
0
0
1
2
3
4
5
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