4-Quinolinone, 1,2,3,4-tetrahydro-7-methoxy-1,3,3-trimethyl- 5-21-12-00253 (Beilstein Handbook Reference) 53207-54-8 7-Methoxy-1,3,3-trimethyl-1,2,3,4-tetrahydro-4-quinolinone BRN 1461925