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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+CH3OH2
M+.
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M+Na
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+e
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Found 12879 results
Search term:
MF = 'C_{18}H_{20}N_{2}O_{3}S'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
8060223
zoom
C
18
H
20
N
2
O
3
S
344.428
93
53
0
0
613447
zoom
C
18
H
20
N
2
O
3
S
344.428
40
22
0
0
588718
zoom
C
18
H
20
N
2
O
3
S
344.428
39
28
0
0
628986
zoom
C
18
H
20
N
2
O
3
S
344.428
38
35
0
0
645908
zoom
C
18
H
20
N
2
O
3
S
344.428
37
20
0
0
588719
zoom
C
18
H
20
N
2
O
3
S
344.428
35
21
0
0
617751
zoom
C
18
H
20
N
2
O
3
S
344.428
34
22
0
0
727190
zoom
C
18
H
20
N
2
O
3
S
344.428
34
21
0
0
588717
zoom
C
18
H
20
N
2
O
3
S
344.428
33
21
0
0
2389809
zoom
C
18
H
20
N
2
O
3
S
344.428
33
19
0
0
502911
zoom
C
18
H
20
N
2
O
3
S
344.428
32
24
0
0
637581
zoom
C
18
H
20
N
2
O
3
S
344.428
32
22
0
0
686643
zoom
C
18
H
20
N
2
O
3
S
344.428
32
19
0
0
727178
zoom
C
18
H
20
N
2
O
3
S
344.428
32
19
0
0
727587
zoom
C
18
H
20
N
2
O
3
S
344.428
31
18
0
0
727736
zoom
C
18
H
20
N
2
O
3
S
344.428
31
19
0
0
653179
zoom
C
18
H
20
N
2
O
3
S
344.428
31
20
0
0
2067151
- 0/1 defined
zoom
C
18
H
20
N
2
O
3
S
344.428
30
18
0
0
650809
zoom
C
18
H
20
N
2
O
3
S
344.428
30
15
0
0
626494
zoom
C
18
H
20
N
2
O
3
S
344.428
30
21
0
0
1
2
3
4
5
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