0 B15R2.27 NC1=NC(C2=CC=CC=C2)=CC(Cl)=N1 A9257 [2,0,0,0,0,0|1,0,1]=4 1 B15R2.27 NC1=NC(O)=CC(C2=CC=CC=C2)=N1 A8481 [2,0,0,0,0,0|0,0,2]=4