Jump to main content
Jump to site nav
Home
About us
Membership & professional community
Campaigning & outreach
Journals, books & databases
Teaching & learning
News & events
Locations & contacts
Home
About us
Web APIs
Help
Sign in
ChemSpider
Search and share chemistry
Simple
Structure
Advanced
History
Molecular Formula:
Define range intervals using parentheses.
E.g. C7H(10-14)O(0-4)
Molecular Weight:
to
±
(example: 123 ± 1)
min/max
+/-
Nominal Mass:
to
±
-2H+
-H+
+H+
+2H+
min/max
+/-
Average Mass:
to
±
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:
to
±
M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
min/max
+/-
Search
Search Hits Limit:
100
1000
10000
Filter
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
Found 294 results
Search term:
MF = 'C_{20}H_{13}F_{3}N_{4}O'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1221107
zoom
C
20
H
13
F
3
N
4
O
382.3386
22
18
0
0
3205097
- 0/1 defined
zoom
C
20
H
13
F
3
N
4
O
382.3386
17
10
0
0
3223902
- 0/1 defined
zoom
C
20
H
13
F
3
N
4
O
382.3386
16
10
0
0
5054771
zoom
C
20
H
13
F
3
N
4
O
382.3386
15
12
0
0
11897153
zoom
C
20
H
13
F
3
N
4
O
382.3386
14
10
0
0
26024754
zoom
C
20
H
13
F
3
N
4
O
382.3386
14
10
0
0
20435734
zoom
C
20
H
13
F
3
N
4
O
382.3386
13
12
0
0
5431333
zoom
C
20
H
13
F
3
N
4
O
382.3386
13
11
0
0
5431334
zoom
C
20
H
13
F
3
N
4
O
382.3386
13
12
0
0
2034705
- 0/1 defined
zoom
C
20
H
13
F
3
N
4
O
382.3386296
13
10
0
0
3369858
- 0/1 defined
zoom
C
20
H
13
F
3
N
4
O
382.3386296
13
9
0
0
3161332
zoom
C
20
H
13
F
3
N
4
O
382.3386
13
9
0
0
2034910
zoom
C
20
H
13
F
3
N
4
O
382.3386296
12
8
0
0
3988589
zoom
C
20
H
13
F
3
N
4
O
382.3386
11
7
0
0
12594560
zoom
C
20
H
13
F
3
N
4
O
382.3386
11
9
0
0
13150588
zoom
C
20
H
13
F
3
N
4
O
382.3386
11
9
0
0
20368550
zoom
C
20
H
13
F
3
N
4
O
382.3386
10
7
0
0
21102304
zoom
C
20
H
13
F
3
N
4
O
382.3386
10
8
0
0
26040887
- 0/1 defined
zoom
C
20
H
13
F
3
N
4
O
382.3386
10
10
0
0
26302098
zoom
C
20
H
13
F
3
N
4
O
382.3386
10
8
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement