Analogues are drugs that have close structural resemblance and similar effects. For instance one could argue that naproxen (Aleve) is an analog of ibuprofen (Motrin/Advil). Most analogues are designed because true synthetic natural products are hard to make, or are not potent enough.
Definition of several. 1a : separate or distinct from one another federal union of the several statesb (1) : individually owned or controlled : exclusive a several fishery â compare common (2) : of or relating separately to each individual involved a several judgmentc : being separate and distinctive : respective specialists in their several fields.
us â /ËsÉªlÂ·ÉÂ·bÉl/. âº a single unit of speech, in English usually containing a vowel, consisting of either a whole word or one of the parts into which a word is separated when it is spoken or printed: There are two syllables in the word silver and three in appetite.