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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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Average Mass:
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M+CH3CNH
M+CH3OH2
M+.
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M+Na
M+NH4
M+H
M-H
M+acetate
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+e
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M+CH3CNH
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Found 17061 results
Search term:
MF = 'C_{19}H_{20}N_{4}O_{2}'
1
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
8125252
zoom
C
19
H
20
N
4
O
2
336.3877
65
62
1
1
73920
zoom
C
19
H
20
N
4
O
2
336.3877
50
32
0
0
59258
zoom
C
19
H
20
N
4
O
2
336.3877
36
36
6
0
171397
zoom
C
19
H
20
N
4
O
2
336.3877
35
23
0
0
577938
zoom
C
19
H
20
N
4
O
2
336.3877
30
22
0
0
114683
- 0/1 defined
zoom
C
19
H
20
N
4
O
2
336.3877
29
27
0
0
1609476
zoom
C
19
H
20
N
4
O
2
336.3877
29
23
0
0
2218483
zoom
C
19
H
20
N
4
O
2
336.3877
29
18
0
0
559959
- 0/1 defined
zoom
C
19
H
20
N
4
O
2
336.3877
28
21
0
0
795116
zoom
C
19
H
20
N
4
O
2
336.3877
27
19
0
0
1286555
zoom
C
19
H
20
N
4
O
2
336.3877
26
12
0
0
2117775
- 0/1 defined
zoom
C
19
H
20
N
4
O
2
336.3877
26
17
0
0
1610578
zoom
C
19
H
20
N
4
O
2
336.3877
25
15
0
0
1451811
zoom
C
19
H
20
N
4
O
2
336.3877
25
12
0
0
1609534
zoom
C
19
H
20
N
4
O
2
336.3877
24
17
0
0
830407
zoom
C
19
H
20
N
4
O
2
336.3877
24
18
0
0
593651
zoom
C
19
H
20
N
4
O
2
336.3877
24
15
0
0
1243994
zoom
C
19
H
20
N
4
O
2
336.3877
23
18
0
0
2163482
zoom
C
19
H
20
N
4
O
2
336.3877
23
18
0
0
3077206
zoom
C
19
H
20
N
4
O
2
336.3877
23
22
0
0
1
2
3
4
5
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