103976-54-1
2-amino-1,2-dihydro-1-methyl-1,8-naphthyridine
→
103976-57-4
1,2-dihydro-2-imino-1-methyl-1,8-naphthyridine
15936-11-5
1-甲基-1,8-萘啶-2(1h)-酮