Ammonia :-
Sulphate of Ammonia (Garden Fertilizer)+ Caustic Soda (Chemist that has big shoes/hardware store)
Lithium :-
Thin gray strip in AA lithium batteries (see rhodium's site)
Ephedrine :-
s-fed freebased with caustic soda
Toluene :- Available in celloluse thinners mixed or not mixed with methanol (easy to boil off or separate with water)(read label)
Calcium chloride:-(For removing last traces of h20)
Damp absorbing paks/bags from hardware store (check label for CACl)
Coolent/freezer:-
Electronic freezer spray, dry ice from mail order fish company or stage effects supplier (just do a search for dry ice on an uk engine)
See Birch Reduction for recipe
All is possible with no attention drawn,it's just the stink that makes them scorn.