586 Fluorine in Medicinal Chemistry and Chemical Biology
Active
ingredient/
trade name
Chemical name Structure
Azaperone/
Stresnil
1 - (4 - fl uorophenyl) - 4 - (4 - pyridin - 2 -
ylpiperazin - 1 - yl)butan - 1 - one
N
N
N
O
F
Betamethasone
Acetate/
Betavet
Soluspan
Gentocin
Durafi lm
[2 - [(8 S ,9 R ,10 S ,11 S ,13 S ,14 S ,16 S ,17 R ) -
9 - fl uoro - 11,17 - dihydroxy - 10,13,16 -
trimethyl - 3 - oxo - 6,7,8,11,12,14,15,16 -
octahydrocyclopenta[ a ]phenanthren -
17 - yl] - 2 - oxoethyl] acetate
O
HO
H
O
O
O
OH
F
Betamethasone
Dipropionate/
Betasone
[(8 S ,9 R ,10 S ,11 S ,13 S ,14 S ,16 S ,17 R ) - 9 -
fl uoro - 11 - hydroxy - 10,13,16 -
trimethyl - 3 - oxo - 17 - (2 -
propanoyloxyacetyl) - 6,7,8,11,
12,14,15,16 - octahydrocyclopenta[ a ]
phenanthren - 17 - yl] propanoate
O
HO
H
O
O
O
O
F
O
Betamethasone
Sodium
Phosphate/
Betavet
Soluspan
Betasone
[2 - [(8 S ,9 R ,10 S ,11 S ,13 S ,14 S ,16 S ,17 R ) - 9 -
fl uoro - 11,17 - dihydroxy - 10,13,16 -
trimethyl - 3 - oxo - 6,7,8,11,12,14,15,
16 - octahydrocyclopenta[ a ]
phenanthren - 17 - yl] - 2 - oxoethyl]
phosphate
O
HO
H
O
P
O
O
OH
F
O
O
Na
Na
Betamethasone
Valerate/
Gentocin Otic
Topagen
Otomax
Gentavet
Betagen
Tri - Otic
Vetro - Max
GBC
(1) pregna - 1,4 - diene - 3,20 - dione, 9 -
fl uoro - 11,21 - dihydroxy - 16 - methyl -
17 - [(1 - oxopentyl)oxy] - , (11 β , 16 β ) - ;
(2) 9 - fl uoro - 11 β ,17,21 - trihydroxy -
16 β - methylpregna - 1,4 - diene - 3,20 -
dione 17 valerate
O
HO
H
OH
O
O
F
O