You don't give a fuck? I don't either, but it's interesting.
What they did do, was have all the countries sign a
Chemical Weapons Convention, in which not only chemical weapons but all the "precursor" chemicals are scheduled and limited, and can't be exported between signatory countries.
OK that didn't work 100%. But perhaps it worked in other cases, who knows?
Right now, the debate is whether Assad will be allowed to have a government after this particular shit is done hitting this particular fan.