I used to get them ...I think
Back when I was a college kid in Southern NY, I had a chemistry teacher who tried to inspire me to Grate-ness, by teaching me the old school Hoffmann method for the production of ...
That experience provided me with a small gram vial of this wonderful liquid. I remember a fall day...sitting watching the oak & maple leaves float from the top of this grove. I'd just been to psych class or something, and remember drifting into the wonderful reverie. Used to happen occasionally when I was really into that sort of thing.
My once or twice a year schedule doesn't seem to have the same effect.
But in those days there was a whole lot of everything to be had. Who knows for sure....