0 B13R2.3683 C1CC(=O)NC2=NC=C(C=C21)Br B19164 [2,0,0,0,0,0|2,0,0]=4 1 B13R2.3683 CC1=CC2=C(C=C1)NC(=O)N=C2 Q11385 [2,0,0,0,0,0|1,0,1]=4