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Analyte
CAS No.
Formula
Note
Structure
Hydroxythiohomo
sildenafil
Not
available
C
23
H
32
N
6
O
4
S
2
Target
panel
N
N
S
O
O
O
N
HN
N
N
S
HO
Lodenafil carbonate
398507-55-
6
C
47
H
62
N
12
O
11
S
2
Target
panel
O
O
O
N
N
N
N
S
S
O O
O
HN
N
N
N
O
O O
O
N
HN
O
N
N
Mirodenafil
862189-95-
5
C
26
H
37
N
5
O
5
S
Target
panel
N
N
S
O
N
HN
O
O
N
O
OH
Propoxyphenyl
homohydroxysildenafil
139755-87-
6
C
24
H
34
N
6
O
5
S
Target
panel
NH
N
N
N
O
S
N
O O
N
OH
O
Sildenafil
139755-83-
2
C
22
H
30
N
6
O
4
S
Target
panel
N
N
S
O
O
O
N
HN
N
N
O
Candidates for 2016 Method of the Year
143