1,3,3-Trimethyl-1,2,3,4-tetrahydro-4-quinolinol-2-one 2-Quinolinone, 1,2,3,4-tetrahydro-4-hydroxy-1,3,3-trimethyl- 4-Hydroxy-1,3,3-trimethyl-1,2,3,4-tetrahydro-2-quinolinone 5-21-12-00253 (Beilstein Handbook Reference) 53207-57-1 BRN 1459302