RSC
SyntheticPages
Login
Register
About
What is ChemSpider?
ChemSpider Blog
Data Sources
The Team
Advisory Group
Collaborators
Present Sponsors
Sponsor ChemSpider
Advertise
More Searches
Simple search
Structure search
Advanced search
Search History
Web APIs
Help
FAQ
Help
Getting Started
Forum
SiteMap
Search
Simple
Structure
Advanced
Intrinsic properties
More searches...
Ligand screening
Chemical elements
Intrinsic properties
Predicted properties
Data slice
Molecular Formula:
Exact match only
Molecular Weight:
±
(example: 123 ± 1)
min/max
+/-
Nominal Mass:
±
-2H+
-H+
+H+
+2H+
min/max
+/-
Average Mass:
±
M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
min/max
+/-
Monoisotopic Mass:
±
M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
min/max
+/-
Options
Single/Multi-component
Search Any
Search Single-Component Structures Only
Search Multi-Component Structures Only
Isotopically Labeled
Search Any
Search Isotopically Labeled Structures Only
Disregard Isotopically Labeled Structures
Additional Filters
Filter only those having analytical data
Search
Search Hits Limit:
10
100
1000
10000
Loading ...
100 hits returned from a total of 278.
Search terms:
MF = 'C_{20}H_{14}N_{4}O_{3}'
Grid
Tile
Table
Names/Structures
Names
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1669972
zoom
C
20
H
14
N
4
O
3
358.3502
23
29
0
0
941391
zoom
C
20
H
14
N
4
O
3
358.3502
22
26
0
0
3076657
zoom
C
20
H
14
N
4
O
3
358.3502
22
26
0
0
1003543
zoom
C
20
H
14
N
4
O
3
358.3502
21
27
0
0
2391233
- 0/1 defined
zoom
C
20
H
14
N
4
O
3
358.3502
19
26
0
0
2170807
zoom
C
20
H
14
N
4
O
3
358.3502
19
22
0
0
2362782
zoom
C
20
H
14
N
4
O
3
358.3502
19
22
0
0
2385392
zoom
C
20
H
14
N
4
O
3
358.3502
17
20
0
0
944550
zoom
C
20
H
14
N
4
O
3
358.3502
17
17
0
0
4621146
zoom
C
20
H
14
N
4
O
3
358.3502
17
22
0
0
1023826
zoom
C
20
H
14
N
4
O
3
358.3502
15
17
0
0
1047835
zoom
C
20
H
14
N
4
O
3
358.3502
14
14
0
0
1091161
zoom
C
20
H
14
N
4
O
3
358.3502
14
14
0
0
1649605
zoom
C
20
H
14
N
4
O
3
358.3502
14
14
0
0
1661345
zoom
C
20
H
14
N
4
O
3
358.3502
14
14
0
0
2161958
zoom
C
20
H
14
N
4
O
3
358.3502
14
15
0
0
2385404
zoom
C
20
H
14
N
4
O
3
358.3502
14
14
0
0
2491408
zoom
C
20
H
14
N
4
O
3
358.3502
14
14
0
0
2902979
zoom
C
20
H
14
N
4
O
3
358.3502
13
13
0
0
3605519
zoom
C
20
H
14
N
4
O
3
358.3502
13
13
0
0
1
2
3
4
5
Generate Leads
Advertise
Sponsor
Advertisements
Also from the RSC