2,2'-联吡啶

1,3,7-trimethyl-8-(pyridin-2-yl)-xanthine

8-[2,2']Bipyridinyl-6-yl-1,3,7-trimethyl-3,7-dihydro-purine-2,6-dione

8,8'-bis-(1,3,7-trimethylxanthine)

α,α,α-三联吡啶