A compound of formula
wherein R2 together with the nitrogen atom to which it is attached forms a cyclic aminoguanidine group or derivative thereof and the other substituents have various meanings, useful as a pharmaceutical.
式中的化合物
其中 R2 与所连接的氮原子一起形成环状
氨基
胍基团或其衍
生物,其他取代基具有各种含义,可用作药物。