0  B19R3.561  NNC1=NC2=C(C=CC=C2C3=CC=CC=C3)S1 BB0246844 [1,0,0,0,0,0|3,0,0]=4
1  B18R3.213  NC1=NC2=C(C=CC=C2C3=CC=CC=C3)S1 BB0246843 [2,0,0,0,0,0|2,0,0]=4