0 B8R1.18 Cc1c(oc(n1)C)C LS20281 [2,0,0,0,0,0|1,0,1]=4 1 B8R1.18 Cc1cc(=O)n([nH]1)C LS20878 [2,0,0,0,0,0|2,0,0]=4