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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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M+CH3CNH
M+CH3OH2
M+.
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M+Na
M+NH4
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M-H
M+acetate
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+e
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M+CH3CNH
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Found 5023 results
Search term:
MF = 'C_{20}H_{21}ClN_{2}O_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
3234
zoom
C
20
H
21
ClN
2
O
4
388.8447
80
90
0
0
974329
zoom
C
20
H
21
ClN
2
O
4
388.8447
29
17
0
0
4114520
zoom
C
20
H
21
ClN
2
O
4
388.84474
29
19
0
0
4125495
- 0/1 defined
zoom
C
20
H
21
ClN
2
O
4
388.84474
28
18
0
0
974400
zoom
C
20
H
21
ClN
2
O
4
388.8447
28
20
0
0
4113593
- 0/1 defined
zoom
C
20
H
21
ClN
2
O
4
388.84474
28
19
0
0
974427
zoom
C
20
H
21
ClN
2
O
4
388.8447
27
18
0
0
974393
zoom
C
20
H
21
ClN
2
O
4
388.8447
27
16
0
0
2184315
- 0/1 defined
zoom
C
20
H
21
ClN
2
O
4
388.84474
25
17
0
0
4965473
zoom
C
20
H
21
ClN
2
O
4
388.8447
24
17
0
0
1219379
zoom
C
20
H
21
ClN
2
O
4
388.8447
24
24
0
0
1530964
zoom
C
20
H
21
ClN
2
O
4
388.8447
24
15
0
0
20711172
- 0/1 defined
zoom
C
20
H
21
ClN
2
O
4
388.8447
24
14
0
0
916310
zoom
C
20
H
21
ClN
2
O
4
388.8447
23
16
0
0
916321
zoom
C
20
H
21
ClN
2
O
4
388.8447
23
14
0
0
916339
zoom
C
20
H
21
ClN
2
O
4
388.8447
23
14
0
0
20710949
zoom
C
20
H
21
ClN
2
O
4
388.8447
23
15
0
0
20711039
- 0/1 defined
zoom
C
20
H
21
ClN
2
O
4
388.8447
23
16
0
0
2236908
- 0/1 defined
zoom
C
20
H
21
ClN
2
O
4
388.84474
23
17
0
0
2237039
- 0/1 defined
zoom
C
20
H
21
ClN
2
O
4
388.84474
23
17
0
0
1
2
3
4
5
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