4-acetoxy-4-ethyl-6,6-(ethylenedioxy)-7,8-dihydro-1H-pyrano[3,4-f]indolizine-3,10(4H)-dione

(S)-4'-ethyl-4'-(methoxymethoxy)-7',8'-dihydrospiro[[1,3]dioxolane-2,6'-pyrano[3,4-f]indolizine]-3',10'(1'H,4'H)-dione

2-溴喹啉

(2-Bromo-quinolin-3-yl)-methanol

2-甲氧基烟酸