Protective agent for neurocyte comprising amidino derivative as active ingredient

摘要

The present invention relates to the use of a compound represented by the following general formula [I] or a salt thereof for manufacturing a medicament for preventing or treating ischemic optic neuropathy:
wherein R 1 , R 2 and R 3 are the same or different and represent a hydrogen atom or an alkyl group, or R 1 and R 3 may be joined together to form a ring having one or more double bonds.