methyl (NE)-N-[2-amino-6-(3,6-dihydro-2H-pyridin-1-yl)-3-hydroxypyrimidin-4-ylidene]carbamate

4,6,12b,12c-tetrahydro-12b-hydroxypyrido<1',2':3,4>imidazo<5,1-a>isoindol-8(3H)-one

methyl 4-hydroxypiperidine-1-carboxylate

3,5,6,7,8,8a-hexahydro-2H-[1,3]thiazolo[3,2-a]pyridine

1-CBZ-3,4-环氧基哌啶