ethyl 2-butyl-4,5-dimethylnicotinate-N-oxide

ethyl -3-aminohept-2-enoate

(2-Butyl-6-chloro-4,5-dimethyl-pyridin-3-yl)-methanol

2-Butyl-4,5-dimethyl-nicotinic acid ethyl ester

ethyl 2-butyl-6-chloro-4,5-dimethylnicotinate