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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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Found 8816 results
Search term:
MF = 'C_{19}H_{18}N_{4}O_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4657
- 0/1 defined
zoom
C
19
H
18
N
4
O
2
334.3718
122
294
33
0
9891722
zoom
C
19
H
18
N
4
O
2
334.3718
75
49
0
0
23498994
zoom
C
19
H
18
N
4
O
2
334.3718
70
40
0
0
24808514
zoom
C
19
H
18
N
4
O
2
334.3718
54
35
0
0
3461563
- 0/1 defined
zoom
C
19
H
18
N
4
O
2
334.37182
39
29
0
0
2053228
zoom
C
19
H
18
N
4
O
2
334.37182
38
25
0
0
2487334
zoom
C
19
H
18
N
4
O
2
334.3718
28
23
0
0
497071
zoom
C
19
H
18
N
4
O
2
334.3718
28
27
0
0
2052605
zoom
C
19
H
18
N
4
O
2
334.37182
27
17
0
0
579388
- 0/1 defined
zoom
C
19
H
18
N
4
O
2
334.3718
26
20
0
0
580356
- 0/1 defined
zoom
C
19
H
18
N
4
O
2
334.3718
26
19
0
0
4389473
zoom
C
19
H
18
N
4
O
2
334.37182
25
17
0
0
4499956
zoom
C
19
H
18
N
4
O
2
334.3718
25
15
0
0
4674462
- 0/1 defined
zoom
C
19
H
18
N
4
O
2
334.3718
25
17
0
0
5259573
zoom
C
19
H
18
N
4
O
2
334.3718
25
17
0
0
5260380
zoom
C
19
H
18
N
4
O
2
334.3718
24
14
0
0
10860860
zoom
C
19
H
18
N
4
O
2
334.3718
24
16
0
0
2133767
zoom
C
19
H
18
N
4
O
2
334.37182
24
16
0
0
688825
zoom
C
19
H
18
N
4
O
2
334.3718
23
14
0
0
4975811
zoom
C
19
H
18
N
4
O
2
334.3718
23
14
0
0
1
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