3,4-DIHYDRO-8-HYDROXY-4-OXOQUINOLINE-3-CARBOXYLIC ACID
3,4-DIHYDRO-8-HYDROXY-4-OXOQUINOLINE-3-CARBOXYLIC ACID ??
??
3,4-DIHYDRO-8-HYDROXY-4-OXOQUINOLINE-3-CARBOXYLIC ACID C??? ??, ??, ??
3,4-DIHYDRO-8-HYDROXY-4-OXOQUINOLINE-3-CARBOXYLIC ACID ?? ?? ? ???
???
?? ??
3,4-DIHYDRO-8-HYDROXY-4-OXOQUINOLINE-3-CARBOXYLIC ACID ?? ??
???( 0)?? ??