0 B20R3.432739 NC1=NC=NC2=C1N=CN2[C@@H]3O[C@H](CO)C[C@H]3O NP-007710 [2,0,0,0,0,0|2,0,0]=4 1 B20R3.4392588 CC1OC(N2C=NC3=C(N)N=CN=C32)C(O)C1O NP-015368 [2,0,0,0,0,0|2,0,0]=4