Pnemonic : Remembering DRUGS WHICH ARE ACETYLATED

Drugs which undergo acetylation can be remembered by the pnemonic (widely used)

S - Sulphonamides

H - Hydrallazine

I  - Isoniazid

P - Procainamide

Now if you see, you might notice that the drugs Procainamide, Hydrallazine and Isoniazid are among the topmost causes of Drug Induced SLE.