0 B18R2.40 CNCCC(C1=CC=CC=C1)C2=CC=CC=C2 D87845 [2,0,0,0,0,0|0,0,0]=2 1 B18R2.40 CNCCC(C1=CC=CC=C1)C2=CC=CC=C2 D87856 [2,0,0,0,0,0|0,0,0]=2