3-butyl-4-hydroxy-6-methyl-1H-pyridin-2-one

3-methylidenehept-1-ene

3-butyl-9,9-dimethyl-7,11-dioxo-8,10-dioxa-1-azaspiro[5.5]undec-3-en-1-yl 4-methylbenzenesulfonate

异戊二烯

3-丁酰基吡啶