Disclosed are compounds of formulas (I) and (III) for treating or preventing a disease or disorder responsive to activation of a D1 dopamine receptor agonist in a mammal in need thereof, wherein R1 R6 and R11 R13 are as defined herein. Examples of such disease or disorder include Alzheimer's Disease, schizophrenia, Parkinson's disease, a dyskinesia, and Huntington's disease.
POSITIVE ALLOSTERIC MODULATORS OF DOPAMINE 1 RECEPTOR AND METHOD OF USE THEREOF