Compounds are provided useful for promoting growth, repair and regeneration of a neuronal axon and for treating neuropathies and myopathies having formula I ##STR1## wherein R.sub.2, R.sub.3 and R.sub.4 together with the nitrogen atoms to which they are attached forms a heterocyclic ring.
提供有用的化合物,用于促进神经轴突的生长、修复和再生,并用于治疗神经病和肌病,其
化学式为I,其中R.sub.2,R.sub.3和R.sub.4与它们连接的氮原子共同形成一个杂环。