1-(2-(1,3-dioxolan-2-yl)ethyl)-2-((2-propyl-1,3-dioxolan-2-yl)methyl)pyrrolidine

methyl 2-((2-propyl-1,3-dioxolan-2-yl)methyl)pyrrolidine-1-carboxylate

8-(1,3-dithian-2-ylidene)-1,2,5,6,7,8a-hexahydroindolizin-3-one

1-[4-(1,3-dithian-2-ylidene)butyl]pyrrolidine-2,5-dione

(1,2,3,5,6,8a-hexahydroindolizin-8-yl)methanol