3 boxes containing 4-1 gallon cans of flammable liquid called Ally acetate identified by UN2333 with a packing group is?

Oh, what a lovely question! It sounds like you have some Ally acetate on your hands. Remember to handle it with care, as it's flammable. Make sure to store it properly and follow all safety guidelines to keep yourself and others safe. Happy painting with your flammable liquid, my friend!