2,4-dimethyl-1,8-naphthyridine

2-氨基-4,6-二甲基吡啶

丙烯酸

5,7-dimethyl-2,3-dihydro[1,8]naphthyridin-4(1H)-one

3-(4,6-dimethyl-2-ylamino)propanoic acid