0 B13R2.5393 CN1C(=O)NC(=O)C2=C1NC=N2 B049306 [1,0,0,0,0,0|0,0,2]=3 1 B13R1.3251 CN1C(=O)C(N=O)=C(N)N(C)C1=O B049353 [0,0,1,0,0,0|1,0,2]=4