Off-target activity
An example of this is the repurposing of the antimineralocorticoid and diuretic spironolactone , which was known to produce feminization and gynecomastia as side effects , for use as an antiandrogen in the treatment of conditions like acne and hirsutism . 
<triplet> spironolactone <subj> antimineralocorticoid <obj> subject has role <subj> diuretic <obj> subject has role