0 B15R2.21329 NC1=NC2=NC=C(C=O)N=C2C(=O)N1 HY-113978R [1,0,0,0,0,0|0,0,2]=3 1 B18R2.528892 C[C@H](O)[C@H](O)C1=CN=C2NC(N)=NC(=O)C2=N1 HY-102015R [0,1,0,0,0,1|1,0,1]=4