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 510 results
Search term:
MF = 'C_{20}H_{15}F_{3}N_{4}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
16736478
- 3/3 defined
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
55
58
682
7
56670
- 2/3 defined
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
36
33
0
0
938326
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
30
18
0
0
946376
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
25
15
0
0
4410074
zoom
C
20
H
15
F
3
N
4
O
3
416.3533096
21
13
0
0
1426058
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
21
14
0
0
422589
- 0/3 defined
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
20
553
682
7
1239907
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
20
14
0
0
1238015
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
17
12
0
0
4461239
zoom
C
20
H
15
F
3
N
4
O
3
416.3533096
17
14
0
0
1092648
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
16
11
0
0
21588010
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
16
10
0
0
1139760
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
15
9
0
0
986167
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
15
7
0
0
1092649
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
13
13
0
0
20320928
- 0/1 defined
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
13
8
0
0
2221650
zoom
C
20
H
15
F
3
N
4
O
3
416.3533096
13
10
0
0
2246494
zoom
C
20
H
15
F
3
N
4
O
3
416.3533096
13
10
0
0
3122594
- 0/1 defined
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
13
8
0
0
21761641
zoom
C
20
H
15
F
3
N
4
O
3
416.3533
13
8
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement