0 B21R1.789922 C1=C(C=C(C(=C1NC(=O)C(=O)O)Cl)NC(=O)C(=O)O)C#N S5674 [0,0,0,0,0,0|0,0,0]=0 1 B21R1.789922 C1=C(C=C(C(=C1NC(=O)C(=O)O)Cl)NC(=O)C(=O)O)C#N S5674 [0,0,0,0,0,0|0,0,0]=0