Year of launch |
Achiral drugs |
Achiral
drugs |
Chiral mixtures |
Chiral mixtures |
Pure enantiomers |
Pure enantiomers |
Total |
Total |
|
n |
% |
n |
% |
n |
% |
n |
%* |
Before 1920 |
17 |
70.8 |
1 |
4.2 |
6 |
25.0 |
24 |
6.1 |
1920-1940 |
15 |
53.6 |
7 |
25.0 |
6 |
21.4 |
28 |
7.1 |
1940-1960 |
48 |
51.6 |
24 |
25.8 |
21 |
22.6 |
93 |
23.5 |
1960-1980 |
74 |
51.0 |
46 |
31.7 |
25 |
17.2 |
145 |
36.7 |
1980-2000 |
42 |
48.3 |
30 |
34.5 |
15 |
17.2 |
87 |
22.0 |
After 2000 |
11 |
61.1 |
1 |
5.6 |
6 |
33.3 |
18 |
4.6 |
Total |
207 |
52.4 |
109 |
27.6 |
79 |
20.0 |
395 |
100.0 |