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ChemSpider
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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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+e
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Found 7951 results
Search term:
MF = 'C_{20}H_{21}N_{3}O'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4938278
zoom
C
20
H
21
N
3
O
319.4002
78
73
0
0
2041878
zoom
C
20
H
21
N
3
O
319.40024
57
36
0
0
647902
zoom
C
20
H
21
N
3
O
319.4002
54
37
0
0
737847
zoom
C
20
H
21
N
3
O
319.4002
43
32
0
0
3865814
zoom
C
20
H
21
N
3
O
319.4002
42
34
0
0
3704955
zoom
C
20
H
21
N
3
O
319.40024
41
32
0
0
2494586
zoom
C
20
H
21
N
3
O
319.4002
36
30
0
0
2140036
- 0/1 defined
zoom
C
20
H
21
N
3
O
319.40024
35
29
0
0
391521
- 0/1 defined
zoom
C
20
H
21
N
3
O
319.4002
34
20
0
0
5293321
- 1/1 defined
zoom
C
20
H
21
N
3
O
319.4002
33
39
0
0
2159467
zoom
C
20
H
21
N
3
O
319.40024
31
20
0
0
2139634
- 0/1 defined
zoom
C
20
H
21
N
3
O
319.40024
31
21
0
0
21399278
zoom
C
20
H
21
N
3
O
319.4002
30
26
0
0
3941281
- 0/1 defined
zoom
C
20
H
21
N
3
O
319.4002
30
23
0
0
21399280
zoom
C
20
H
21
N
3
O
319.4002
30
26
0
0
21399734
zoom
C
20
H
21
N
3
O
319.4002
30
25
0
0
21399735
zoom
C
20
H
21
N
3
O
319.4002
29
25
0
0
59344
- 0/1 defined
zoom
C
20
H
21
N
3
O
319.4002
29
49
0
0
21399279
zoom
C
20
H
21
N
3
O
319.4002
29
24
0
0
621520
zoom
C
20
H
21
N
3
O
319.4002
28
16
0
0
1
2
3
4
5
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