It didn't work very well for cancer, but became the first successful antiretroviral, and you can see from the table there are others as well.
Tas bija zidovudīns. Tas nebija pārāk iedarbīgs pret vēzi, bet kļuva par pirmo veiksmīgo antiretrovirālo preparātu, un šajā tabulā redzams, ka ir vēl citas zāles.