I agree with the move in principle of the naming conventions but I disagree with the particular target.  "Combo" is a colloquial abbreviation and is commonly used in short hand pharmacology but it is not titular (to use a very casual version of the word).  I would suggest instead Mixed amphetamine salts, or probably most concisely Racemic amphetamine salts as my understanding is that all combinations under the purview of this article will be racemic (and those which aren't are not within its scope as far as I can tell).  Alternatively, since "racemic" implies salts anyway, Racemic amphetamine might be even better.   Additionally, if we're going by the bottle sitting in front of me, it's only Amphetamine salts.  Regardless, I think we should drop "combo." talk