2,6-dimethyl-3-hydroxy-4-(2,6-diisopropyl-4-pyridyl)-3-heptene-5-one

1-(2,6-diisopropyl-3-isobutyryl-4-pyridyl)-3-methyl-butane-2-one

1,3,6,8-tetra(propan-2-yl)-2,7-naphthyridine

tert-butyl 3-oxoheptanoate

tert-butyl 3-oxononanoate