(Dimethyl-2,6-dihydro-1,4-pyridyliden-4-yl)-2-indandion-1,3

2-(4,6-dimethyl-1H-pyridin-2-ylidene)indene-1,3-dione

[dimethyl-2,6 (piperidinyl-2 ethyl)-1 dihydro-1,4 pyridylidene-4 yl]-2 indanedione-1,3

6,6-Dimethyl-2-cyclohexen-1-one

3-(2,4,6-trimethylpiperidin-1-ium-1-yl)propyl benzoate,chloride