0 B13R1.74 CCCCC1=CN=C(C(=O)O)C=C1 HY-128483R [1,0,0,0,0,0|0,0,0]=1 1 B13R1.74 CCCCC1=CN=C(C(N)=O)C=C1 HY-119862 [1,0,0,0,0,0|1,0,0]=2