上游原料
2,5-dibromopyridine5-bromo-2-methoxypyridine; 5-bromo-2-pyridinyl methyl ether2-Methoxypyridine; Methyl 2-pyridyl ether(6-methoxy-3-pyridyl)boronic acid；2-Methoxy-5-pyridinylboronic acid2-Bromopyridine；α-bromopyridine;α-bromoazine6'-methoxy-2,3'-bipyridine2-(phenylsulfonyl)pyridine;2-Benzenesulfonylpyridine;2-Pyridyl phenyl sulfone5-(2-pyridyl)-2-pyridone;2,3'-Bipyridin-6'(1'H)-one(2-pyridyl)tributyltin;2-(tributylstannyl)pyridine;(2-Pyridinyl)tributylstannane;2-(1,1,1-Tributylstannyl)pyridine;2-(Tri-n-butylstannyl)pyridine;2-(Tributylstannyl)pyridine;2-(Tributyltin)pyridine;2-Pyridyltri-n-butyltin;2-Pyridyltributylstannane;2-Pyridyltributyltin;Tri-n-butyl(2-pyridyl)tin;Tri-n-butyl-2-pyridylstannane;Tributyl(pyridin-2-yl)stannane;Tributyl-2-pyridylstannane;Tributyl-2-pyridyltinPhenylboronic acid；Benzeneboronic acid;Phenylboron dihydroxide2,4,6-triphenylboroxine;Benzeneboronic anhydride;Cyclic benzeneboronic anhydride;Cyclic phenylboronic anhydride;Phenylboronic acid anhydride;Phenylboronic anhydride;Triphenylboroxin;Triphenylboroxole1-phenyl-5-(2-pyridyl)-2-pyridinone;1'-phenyl-[2,3'-bipyridin]-6'(1'H)-one5'-bromo-1'-phenyl-[2,3'-bipyridin]-6'(1'H)-one2-(2-cyanophenyl)-1,3,2-dioxaborinane;2-(1,3,2-Dioxaborinan-2-yl)benzonitrile5'-bromo-6'-methoxy-2,3'-bipyridine3-(2-cyanophenyl)-5-(2-pyridyl)-2-methoxypyridine;2-(6'-methoxy-[2,3'-bipyridin]-5'-yl)benzonitrile2-(6'-oxo-1',6'-dihydro-[2,3'-bipyridin]-5'-yl)benzonitrile
