0 B15R1.5450 CC(C)NCC(O)c1cc(cc(c1)Cl)Cl CSC011751602 [2,0,0,0,0,0|0,0,0]=2 1 B15R1.5451 CC(C)(C)NC(=O)c1cc(cc(c1)Cl)Cl CSC000171346 [1,0,0,0,1,0|0,0,2]=4