0 B9R1.69 CC1=C(N)C=C(N)C=C1 HMDB0041799 [2,0,0,0,0,0|2,0,0]=4 1 B9R1.69 OC1=C(Cl)C=CC(Cl)=C1 HMDB0041800 [2,0,0,0,0,0|2,0,0]=4