0 B15R2.555 OC1CCCCC1C2=C(Cl)C=CC=C2 EN300-301415 [2,0,0,0,0,0|0,0,2]=4 1 B15R2.555 O[C@@H]1CCCC[C@H]1C2=C(Cl)C=CC=C2 EN300-761612 [2,0,0,0,0,0|0,0,2]=4