英文别名
                        N-[(1S)-2-[2-(3,4-dihydroxyphenyl)ethylamino]-1-[(4-hydroxyphenyl)methyl]-2-oxo-ethyl]-4,8-dihydroxy-quinoline-2-carboxamide;N-[(2S)-1-[2-(3,4-dihydroxyphenyl)ethylamino]-3-(4-hydroxyphenyl)-1-oxopropan-2-yl]-8-hydroxy-4-oxo-1H-quinoline-2-carboxamide