6-((Trimethylsilyl)methyl)-9aH-chinolizin-1,2,3,4-tetracarbonsaeure-tetramethylester

trimethyl(pyridin-2-ylmethyl)silane

丁炔二酸二甲酯

6-((Trimethylsilyl)methyl)-4H-chinolizin-1,2,3,4-tetracarbonsaeure-tetramethylester

tetramethyl 9a-methyl-9aH-quinolizine-1,2,3,4-tetracarboxylate