4-ethyl-3-hydroxy-3,4,7,8-tetrahydro-1H,10H-spiro[pyrano[3,4-f]indolizine-6,2'-[1,3]dioxolan]-10-one

喜树碱氮氧化物

(S)-2-[2-ethoxy-3-(ethoxymethyl)-6-[3-(methoxymethyl)quinolin-2-yl]pyridin-4-yl]-2-hydroxybutyraldehyde

2-[2-ethoxy-3-(ethoxymethyl)-6-[3-(methoxymethyl)quinolin-2-yl]pyridin-4-yl]-2-hydroxybutyric acid