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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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+e
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Found 4186 results
Search term:
MF = 'C_{19}H_{16}N_{4}O_{3}'
1
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
8060359
zoom
C
19
H
16
N
4
O
3
348.3553
94
75
0
0
9557369
zoom
C
19
H
16
N
4
O
3
348.3553
48
23
0
0
4549272
zoom
C
19
H
16
N
4
O
3
348.3553
27
17
0
0
564602
zoom
C
19
H
16
N
4
O
3
348.3553
27
15
0
0
645083
zoom
C
19
H
16
N
4
O
3
348.3553
27
17
0
0
2224766
zoom
C
19
H
16
N
4
O
3
348.35534
25
16
0
0
664245
zoom
C
19
H
16
N
4
O
3
348.3553
24
16
0
0
627444
zoom
C
19
H
16
N
4
O
3
348.3553
24
12
0
0
4695226
- 0/1 defined
zoom
C
19
H
16
N
4
O
3
348.3553
24
14
0
0
3055886
- 0/1 defined
zoom
C
19
H
16
N
4
O
3
348.35534
23
17
0
0
4461957
zoom
C
19
H
16
N
4
O
3
348.35534
22
16
0
0
633578
zoom
C
19
H
16
N
4
O
3
348.3553
22
10
0
0
578516
zoom
C
19
H
16
N
4
O
3
348.3553
22
15
0
0
1549321
zoom
C
19
H
16
N
4
O
3
348.3553
22
16
0
0
2904036
zoom
C
19
H
16
N
4
O
3
348.35534
21
15
0
0
6005236
zoom
C
19
H
16
N
4
O
3
348.3553
21
11
0
0
7854204
zoom
C
19
H
16
N
4
O
3
348.3553
21
16
0
0
12254391
zoom
C
19
H
16
N
4
O
3
348.3553
21
12
0
0
21266735
zoom
C
19
H
16
N
4
O
3
348.3553
21
14
0
0
562273
zoom
C
19
H
16
N
4
O
3
348.3553
21
11
0
0
1
2
3
4
5
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