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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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M-H
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+e
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M+CH3CNH
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Found 7001 results
Search term:
MF = 'C_{21}H_{19}N_{3}O_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
5382043
- 1/1 defined
zoom
C
21
H
19
N
3
O
4
377.3933
66
52
0
0
5382669
- 1/1 defined
zoom
C
21
H
19
N
3
O
4
377.3933
57
37
0
0
57583309
- 1/1 defined
zoom
C
21
H
19
N
3
O
4
377.3933
31
32
0
0
939838
zoom
C
21
H
19
N
3
O
4
377.3933
30
18
0
0
989348
zoom
C
21
H
19
N
3
O
4
377.3933
27
20
0
0
26647647
- 0/1 defined
zoom
C
21
H
19
N
3
O
4
377.39326
27
28
0
0
1626446
zoom
C
21
H
19
N
3
O
4
377.3933
27
15
0
0
1856139
zoom
C
21
H
19
N
3
O
4
377.3933
26
15
0
0
1067974
zoom
C
21
H
19
N
3
O
4
377.3933
25
16
0
0
879500
zoom
C
21
H
19
N
3
O
4
377.3933
25
16
0
0
561375
zoom
C
21
H
19
N
3
O
4
377.3933
24
15
0
0
2131269
- 0/1 defined
zoom
C
21
H
19
N
3
O
4
377.39326
24
18
0
0
10651640
- 0/1 defined
zoom
C
21
H
19
N
3
O
4
377.3933
24
25
0
0
2222798
- 0/1 defined
zoom
C
21
H
19
N
3
O
4
377.39326
23
17
0
0
1260527
zoom
C
21
H
19
N
3
O
4
377.3933
23
16
0
0
1068417
zoom
C
21
H
19
N
3
O
4
377.3933
23
13
0
0
1123697
zoom
C
21
H
19
N
3
O
4
377.3933
23
13
0
0
1146077
zoom
C
21
H
19
N
3
O
4
377.3933
23
18
0
0
1180325
zoom
C
21
H
19
N
3
O
4
377.3933
22
13
0
0
1439477
zoom
C
21
H
19
N
3
O
4
377.3933
22
13
0
0
1
2
3
4
5
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