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 1876 results
Search term:
MF = 'C_{20}H_{17}FN_{2}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
57427165
zoom
C
20
H
17
FN
2
O
3
352.359
31
30
0
0
9512049
zoom
C
20
H
17
FN
2
O
3
352.359
27
27
0
0
1226105
zoom
C
20
H
17
FN
2
O
3
352.359
27
26
0
0
3040801
zoom
C
20
H
17
FN
2
O
3
352.3589832
27
25
0
0
2048369
- 0/1 defined
zoom
C
20
H
17
FN
2
O
3
352.3589832
26
25
0
0
865996
zoom
C
20
H
17
FN
2
O
3
352.359
26
20
0
0
897427
zoom
C
20
H
17
FN
2
O
3
352.359
25
19
0
0
2205934
- 0/1 defined
zoom
C
20
H
17
FN
2
O
3
352.3589832
25
15
0
0
1390446
zoom
C
20
H
17
FN
2
O
3
352.359
24
15
0
0
3272783
zoom
C
20
H
17
FN
2
O
3
352.359
23
14
0
0
3568932
zoom
C
20
H
17
FN
2
O
3
352.3589832
23
23
0
0
17792634
zoom
C
20
H
17
FN
2
O
3
352.359
23
18
0
0
2166736
- 0/1 defined
zoom
C
20
H
17
FN
2
O
3
352.3589832
22
15
0
0
108800
zoom
C
20
H
17
FN
2
O
3
352.359
21
16
0
0
884955
zoom
C
20
H
17
FN
2
O
3
352.359
21
16
0
0
938942
zoom
C
20
H
17
FN
2
O
3
352.359
20
12
0
0
4649665
- 0/1 defined
zoom
C
20
H
17
FN
2
O
3
352.359
20
14
0
0
4702142
zoom
C
20
H
17
FN
2
O
3
352.359
19
11
0
0
1007676
zoom
C
20
H
17
FN
2
O
3
352.359
19
11
0
0
927757
zoom
C
20
H
17
FN
2
O
3
352.359
19
15
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement