| abstract |
The present invention provides a novel 1,5-naphthyridine compound represented by the following general formula [I]: n n n n n n n n n n wherein R 1 , R 2 , R 4 and R 5 each represent one selected from a hydrogen atom, a substituted or unsubstituted alkyl group, and the like; and R 3 and R 6 each represent one selected from a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, and the like. |