RESIDUE 3QI 33 CONECT CAA 4 CAL HAA HAAA HAAB CONECT CAB 4 CAM HAB HABA HABB CONECT CAC 4 CAN HAC HACA HACB CONECT OAD 1 CAQ CONECT SAE 2 CAP HSAE CONECT CAF 3 CAG NAI HAF CONECT CAG 3 CAF CAL HAG CONECT CAH 3 CAL CAO HAH CONECT NAI 2 CAF CAO CONECT NAJ 2 CAP CAR CONECT SAK 2 CAM CAR CONECT CAL 3 CAA CAG CAH CONECT CAM 3 CAB SAK CAN CONECT CAN 3 CAC CAM CAS CONECT CAO 3 CAH NAI NAT CONECT CAP 3 SAE NAJ NAT CONECT CAQ 3 OAD CAS NAT CONECT CAR 3 NAJ SAK CAS CONECT CAS 3 CAN CAQ CAR CONECT NAT 3 CAO CAP CAQ CONECT HAA 1 CAA CONECT HAAA 1 CAA CONECT HAAB 1 CAA CONECT HAB 1 CAB CONECT HABA 1 CAB CONECT HABB 1 CAB CONECT HAC 1 CAC CONECT HACA 1 CAC CONECT HACB 1 CAC CONECT HSAE 1 SAE CONECT HAF 1 CAF CONECT HAG 1 CAG CONECT HAH 1 CAH END HET 3QI 33 HETNAM 3QI 5,6-DIMETHYL-3-(4-METHYL-2-PYRIDINYL)-2-THIOXO-2,3-DIHY HETNAM 2 3QI DROTHIENO[2,3- D]PYRIMIDIN-4(1H)-ONE FORMUL 3QI C14 H13 N3 O1 S2