NR19 2HRNR19 2HSNR19 2HTNR19 2HUNR19 2HXNR19 2HYNR19 2HZNR19 2JANR19 2JBNR19 2JDNR19 2JENR19 2JFNR19 2JGNR19 2JQNR19 2NA