戊二酸酐

(5aS,11R)-11-methyl-5a,6,7,8-tetrahydrobenzo[e]pyrido[2,1-b][1,3]oxazin-9(11H)-one

(R)-1-(1-(2-hydroxyphenyl)ethyl)piperidine-2,6-dione

2-((R)-1-((R)-1-(2-methoxyphenyl)ethyl)-6-oxopiperidin-2-yl)acetaldehyde

(R)-6-allyl-1-((R)-1-(2-hydroxyphenyl)ethyl)piperidin-2-one