*Vertices 3 1 "preparations for medical, dental, or toilet purposes" 0.0 0.0 0.0 x_fact 1.791759 y_fact 1.791759 2 "therapeutic activity of chemical compounds or medicinal preparations" 0.0 0.0 0.0 x_fact 1.386294 y_fact 1.386294 3 "heterocyclic compounds" 0.0 0.0 0.0 x_fact 1.791759 y_fact 1.791759 *Matrix 1.000000 0.883883 0.875000 0.883883 1.000000 0.883883 0.875000 0.883883 1.000000