0 B8R1.3 ClC1=NC=C(Br)C=N1 ZR2021 [1,0,0,0,0,0|1,1,1]=4 1 B8R1.5 NC1=C(Br)C=CC=C1 ZR1005 [1,0,0,0,0,0|2,1,0]=4 2 B7R1.3 OC1=NC=CC=N1 ZR2022 [2,0,0,0,0,0|0,0,2]=4