I'm guessing its a shirt?
Alcohol is ok but either use "rubbing alcohol" or vodka - cheap generic vodka is what the theatre dressing people usually use - to clean clothes. If you are going to mix it with coke, OJ or whatever, why get anything other than the cheapest
You may have already set it too much by your efforts.
You can try nail polish remover = acetone available in 1 litre containers for 2% of the cost at Bunnings - also good for stripping shoe colour back. And...