0 B8R0.9 C=CC(=O)NCC(N)=O EX-A3138 [0,1,0,0,0,0|3,0,0]=4 1 B7R0.5 CNC[C@H](N)C(=O)O EX-A1666 [1,1,0,0,0,0|2,0,0]=4