label: 1-cyclopropyl-6-hydroxy-8-methyl-4-oxo-7-(1,2,3,4-tetrahydro-2-isoquinolyl)-1,4-dihydroquinoline-3-carboxylic acid
label_lc: 1-cyclopropyl-6-hydroxy-8-methyl-4-oxo-7-(1,2,3,4-tetrahydro-2-isoquinolyl)-1,4-dihydroquinoline-3-carboxylic acid