p-Aminohippuric acid Chemical sturcture from the National Cancer Institute. http://nci.cambridgesoft.com/nci2002/default.asp?formgroup=basenp_form_group&dbname=nci&dataaction=query_string&field_type=TEXT&full_field_name=MolTable.CASRN&field_value=61-78-9
PAH Full prescribing information from RxList. http://www.rxlist.com/cgi/generic2/aminohippurate.htm
