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.
I was surprised to see definition 2 a of more than one and would like to ask about 2b more ... more than 200,000 or does it have to be 300,000 or more because hundred thousand is the unit of measure. Yes. Likewise 2.0001 isn't several where several is 'more than two'.