哌可啉

tert-butyl (S)-(7-(dimethoxyphosphoryl)-6-oxoheptan-2-yl)carbamate

tert-butyl ((S,7E,9E,15E)-16-((S)-5-methyl-2-oxo-2,5-dihydrofuran-3-yl)-6-oxohexadeca-7,9,15-trien-2-yl)carbamate

N-BOC-6(S)-methyl-piperid-2-one

(S,E)-7-(5-methyl-2-oxo-2,5-dihydrofuran-3-yl)hept-6-enal