Cancer, inflammation, autoimmune diseases, diabetes and the present invention, ischemic diabetic complications, infection, and cardiovascular disease - and their compounds of formula (2) given for the treatment of reperfusion injury and (1) relates to pharmaceutically acceptable salts of, R 1 is as defined herein.本発明は、癌、炎症、自己免疫疾患、糖尿病および糖尿病合併症、感染症、心血管系疾患ならびに虚血-再灌流傷害の処置のための式(1)および式(2)の化合物ならびにそれらの製薬学的に許容できる塩に関し、ここでR1は本明細書に定義される。