When I had to obtain Morphine for my seriosly ill wife that was difficult enough with a valid prescription, they wanted to know the in's and out's of a cows bum before dispensing it. When she dropped a bottle and it smashed on the floor it was like the Spanish Inquisition to get another prescription. So don't anyone tell me it is legal to buy in a corner shop.
Back in the late '70s when I was into 1/4 mile motorcycle sprinting I used to be able to order acetone by the gallon at a chemists (something they used to do in the early days of motoring with motor spirit). I doubt that I could do that now without expecting a followup visit from the the anti terrorist squad!
I mixed it with methanol which allowed me to run a 500 single on 16:1 compression, it went like hell... life wasso much more fun in the olden days :-)