The molecule is a hydroxy-1,4-naphthoquinone that is ethane in which one of the carbons is substituted by two 3-hydroxy-1,4-naphthoquinon-2-yl groups. It has a role as an EC 1.3.1.22 [3-oxo-5alpha-steroid 4-dehydrogenase (NADP(+))] inhibitor, an antipruritic drug, a metabolite and a cyclooxygenase 2 inhibitor. It is a conjugate acid of an impatienol(2-).
4-hydroxy-3-[1-(1-hydroxy-3,4-dioxonaphthalen-2-yl)ethyl]naphthalene-1,2-dione