The disclosure provides particular uridine di- and tri-phosphate compounds of Formula I, and pharmaceutical compositions thereof. The definitions of variables such as R, Y, B, m, Z1, Z2, and Z3 are as provided in the disclosure. These compounds are useful for treatment of diseases, disorders and conditions modulated by P2Y6 receptors, and particularly for lowering intraocular pressure and thereby treating ocular hypertension and/or glaucoma.
