(S)-2-(benzyloxy)-2-(3-((benzyloxy)methyl)-2-methoxypyridin-4-yl)butanoic acid

(S)-4-ethyl-4-hydroxy-8-methoxy-1H-pyrano[3,4-c]pyridin-3(4H)-one

3-(tosyloxymethyl)-2-chloroquinoline

醋酸

4-ethyl-4-hydroxy-1,5b,6,11,11a,12-hexahydro-4H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14-dione