0 B21R3.65411 NC1=NC=NC2=C1N=CN2C3OC(CO)C(O)C3O BBS-00039632 [1,0,0,0,0,0|2,0,0]=3 1 B21R3.65411 OC[C@@H]1O[C@H](N2C=NC3=C2N=CN=C3O)[C@H](O)C1O BBS-00033231 [1,0,0,0,0,0|3,0,0]=4