上游原料
Diisopropyl (diisopropoxyphosphoryl)methylphosphonate; Tetraisopropyl methylenediphosphonate3-chloro-4-methylbenzonitrile4-(bromomethyl)-3-chlorobenzonitrile3-chloro-4-[(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)methyl]benzonitrile4-(aminomethyl)-3-chlorobenzonitrile2-methyl-2-butanamine4-(aminomethyl)-3-chlorobenzonitrile3,4-dibutoxy-3-cyclobutene-1,2-dione3-butoxy-4-(tert-pentylamino)-3-cyclobutene-1,2-dione
