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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)
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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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Found 2299 results
Search term:
MF = 'C_{19}H_{21}BrN_{2}O_{4}'
1
2
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2232251
zoom
C
19
H
21
BrN
2
O
4
421.28504
29
20
0
0
1639963
zoom
C
19
H
21
BrN
2
O
4
421.285
28
20
0
0
875182
zoom
C
19
H
21
BrN
2
O
4
421.285
27
18
0
0
2231338
zoom
C
19
H
21
BrN
2
O
4
421.28504
23
16
0
0
1001079
zoom
C
19
H
21
BrN
2
O
4
421.285
22
12
0
0
4738804
- 0/1 defined
zoom
C
19
H
21
BrN
2
O
4
421.285
20
14
0
0
4959257
zoom
C
19
H
21
BrN
2
O
4
421.285
20
13
0
0
1443240
zoom
C
19
H
21
BrN
2
O
4
421.285
19
13
0
0
2116085
- 0/1 defined
zoom
C
19
H
21
BrN
2
O
4
421.28504
19
14
0
0
1656836
zoom
C
19
H
21
BrN
2
O
4
421.285
18
13
0
0
2069863
zoom
C
19
H
21
BrN
2
O
4
421.28504
18
13
0
0
7932089
- 0/1 defined
zoom
C
19
H
21
BrN
2
O
4
421.285
18
13
0
0
3471101
- 0/1 defined
zoom
C
19
H
21
BrN
2
O
4
421.28504
18
12
0
0
4507016
- 0/2 defined
zoom
C
19
H
21
BrN
2
O
4
421.285
17
10
0
0
4778102
zoom
C
19
H
21
BrN
2
O
4
421.285
17
12
0
0
4783086
zoom
C
19
H
21
BrN
2
O
4
421.285
17
12
0
0
1083136
zoom
C
19
H
21
BrN
2
O
4
421.285
17
13
0
0
1626379
zoom
C
19
H
21
BrN
2
O
4
421.285
16
11
0
0
7922341
zoom
C
19
H
21
BrN
2
O
4
421.285
16
12
0
0
12135136
zoom
C
19
H
21
BrN
2
O
4
421.285
15
10
0
0
1
2
3
4
5
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