Where are major pharmacies in Singapore located?

I wanna get some stuff, but not sure whether to get. Is Watsons considered? I am looking for Driclor btw.

that's a type of medicine ? watsons generally is located at shopping centre. where do you stay by the way?

driclor can be found in the pharmacy counter at most guardian
the ntuc unity oso got

Yes thats a type of medicine. I know where I can find Watsons, but I'm not sure if that's considered a major pharmacy. I stay around Admiralty.

watsons where got pharmacy?

Guardian have only.. u can try nearby guardian.. Maybe.. woodlands? hmm whether there have e med or nt, i duno..

that one u can only get at those pharmacy with the pharmacy counter.. usually most pharmacy have so dont worry.