tert-butyl (2S,3S,12bS)-8-methoxy-2-(2-methoxy-2-oxoacetyl)-3-vinyl-1,3,4,6,7,12b-hexahydroindolo[2,3-a]quinolizine-12(2H)-carboxylate

(2R,3S,12bS)-tert-butyl 3-ethyl-8-methoxy-2-(2-methoxy-2-oxoethyl)-1,2,3,4,6,7-hexahydroindolo[2,3-a]quinolizine-12(12bH)-carboxylate

甲酸甲酯

原甲酸三甲酯