上游原料
diisopropyl malonatedipotassium 3-isopropoxy-2-(isopropoxycarbonyl)-3-oxo-1-propene-1,1-dithiolate1,1,1-trichloroethaneacetylenediisopropyl malonate1,3-dioxolan-2-one2-thioxo-1,3-dithiole-4,5-dicarboxylic acid1,3-dithiol-2-ylidene(methyl)sulfonium iodideethynylsodium1,3-dithiole-2-thione1,3-dithiol-2-ylidene(methyl)sulfonium perchlorate1,3-dithiolane-2-thionediisopropyl 2-[4-(acetoxy)-1,3-dithiolan-2-ylidene]malonatediisopropyl 2-(4-hydroxy-1,3-dithiolan-2-ylidene)malonate