Suggest Alternative Medications For Moxonidin And Carmen ACE

My brother is visiting from Germany. He takes two blood pressure meds that he is out of. the name is moxonidin al 0.4mg and Carmen ACE 20mg/10mg. Quest: what class of drugs is it in so we can get something close to that
or
Where can i purchase to meds for him. i have my family doctor that will call the script in for a 10day supply