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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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M+CH3CNH
M+CH3OH2
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M+Na
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+e
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Found 1915 results
Search term:
MF = 'C_{21}H_{16}N_{4}O_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
9683495
zoom
C
21
H
16
N
4
O
2
356.3773
50
34
0
0
2163576
zoom
C
21
H
16
N
4
O
2
356.37734
31
20
0
0
1003553
zoom
C
21
H
16
N
4
O
2
356.3773
28
16
0
0
1003537
zoom
C
21
H
16
N
4
O
2
356.3773
26
17
0
0
1003539
zoom
C
21
H
16
N
4
O
2
356.3773
25
17
0
0
2201294
zoom
C
21
H
16
N
4
O
2
356.37734
24
16
0
0
4563788
zoom
C
21
H
16
N
4
O
2
356.3773
24
19
0
0
12215030
zoom
C
21
H
16
N
4
O
2
356.3773
24
16
0
0
7835939
zoom
C
21
H
16
N
4
O
2
356.3773
23
15
0
0
1027162
zoom
C
21
H
16
N
4
O
2
356.3773
23
15
0
0
926820
zoom
C
21
H
16
N
4
O
2
356.3773
23
15
0
0
947605
zoom
C
21
H
16
N
4
O
2
356.3773
23
16
0
0
957662
zoom
C
21
H
16
N
4
O
2
356.3773
22
14
0
0
1221896
zoom
C
21
H
16
N
4
O
2
356.3773
22
22
0
0
5259381
zoom
C
21
H
16
N
4
O
2
356.3773
22
19
0
0
4081193
zoom
C
21
H
16
N
4
O
2
356.37734
22
16
0
0
4502523
zoom
C
21
H
16
N
4
O
2
356.3773
21
17
0
0
11139004
zoom
C
21
H
16
N
4
O
2
356.3773
21
11
0
0
1002569
zoom
C
21
H
16
N
4
O
2
356.3773
21
14
0
0
12641894
zoom
C
21
H
16
N
4
O
2
356.3773
21
17
0
0
1
2
3
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