7-{[(2,5-dimethylphenyl)methyl]amino}-2,2-dimethyl-4H,5H-pyrano[4,3-d][1,3]dioxin-4,5-dione
7-({[2-fluoro-4-(trifluoromethyl)phenyl]methyl}amino)-2,2-dimethyl-4H,5H-pyrano[4,3-d][1,3]dioxin-4.5-dione
2,2-dimethyl-7-({[2-(trifluoromethyl)phenyl]methyl}amino)-4H,5H-pyrano[4,3-d][1,3]dioxin-4,5-dione
7-{[(4-chloro-2-methylphenyl)methyl]amino}-2,2-dimethyl-4H,5H-pyrano[4,3-d][1,3]dioxin-4,5-dione
7-{[(5-chloro-2-methylphenyl)methyl]amino}-2,2-dimethyl-4H,5H-pyrano[4,3-d][1,3]dioxin-4,5-dione