Acid line in latter part of "Black Arrow" by Solar Fields resembles the one on "Break the Law" by Jupiter 8000.
EDIT: nvm, that wasn't the track. I'm pretty certain it's there in some slightly older psytrance track though. I'll be looking for it
Untsiboof For example Cosmosis, Mindfield
Woinglishprooing For example Hallucinogen
Waabldaat For example Astral Projection, Dimension 5, Etnica
Mpfprr For example Ubar Tmar, Necton, Ticon