0 B20R3.2741 C1=CC=C(C(C2=CC=CC=C2)=C3C=CC=C3)C=C1 DY21072 [0,0,0,0,1,0|3,0,0]=4 1 B22R3.74252 C1=CC=C(CN(CC2=NC=CN2)C3=CC=CC=C3)C=C1 DY438098 [0,0,0,0,0,1|2,0,0]=3 2 B23R3.1974194 C1=CC=C(P(CCC2=NC=CC=C2)C3=CC=CC=C3)C=C1 DY501903 [0,0,0,0,0,2|1,1,0]=4