5.7
[1]. Caroline Hadad, et al. 4-Arylvinyl-,6-di(pyridin--yl)pyrimidines: synthesis and optical properties. J Org Chem. 11 May ;76(1):337-45.
[]. Wei Zhang, et al. Fluorous synthesis of disubstituted pyrimidines. Org Lett. 3 Apr 3;5(7):111-3.
P6-P64-P-P31+P33+P331-P34+P34-P363-P45-P51
GHS5
363