1-Methyl-4-hydroxy-2-chinolinon [Czech] 1-Methyl-4-hydroxy-2-chinolon [Czech] 1-Methyl-4-hydroxycarbostyril 1677-46-9 2(1H)-Quinolinone, 4-hydroxy-1-methyl- 4-Hydroxy-1-methyl-2(1H)-quinolinone 4-Hydroxy-1-methyl-2(1H)-quinolone 4-Hydroxy-1-methyl-2-quinolone 4-Hydroxy-1-methylcarbostyril 4-Hydroxy-N-methylcarbostyril 5-21-12-00311 (Beilstein Handbook Reference) BRN 1528990 CARBOSTYRIL, 4-HYDROXY-1-METHYL- EINECS 216-830-3 N-Methyl-4-hydroxykarbostyril [Czech] NSC 39973