5-methoxy-2,2-dimethylpyrano[2,3-b]quinoline

(-)-(3S,4S)-3,4-dihydro-3,4-epoxy-5-methoxy-2,2-dimethyl-2H-pyrano[2,3-b]quinoline

(+)-(3R,4S)-trans-3-bromo-4-(2-methoxy-2-phenyl-2-trifluoromethylacetoxy)-3,4-dihydro-5-methoxy-2,2-dimethyl-2H-pyrano[2,3-b]quinoline

4-methoxy-3-(3-methylbut-2-enyl)-1H-quinolin-2-one

3-bromo-5-methoxy-2,2-dimethyl-3,4-dihydro-2H-pyrano[2,3-b]quinoline