0 B11R2.10 BrB1OC2=C(O1)C=CC=C2 BP22520 [1,0,0,0,1,0|2,0,0]=4 1 B11R2.10 ClB1OC2=C(O1)C=CC=C2 BP22519 [1,0,0,0,1,0|2,0,0]=4