Jasminine

methyl (8S)-8-methyl-6-oxo-7,8-dihydro-5H-2,7-naphthyridine-4-carboxyl ate

(8S)-5,6,7,8-Tetrahydro-8-methyl-6-oxo-2,7-naphthyridine-4-carboxylic acid methyl ester