RESIDUE P3K 15 CONECT C4 3 C5 C3 H1 CONECT C5 3 C4 C6 H2 CONECT C6 3 C5 C7 O1 CONECT C7 3 C6 C2 O2 CONECT N1 1 C1 CONECT C3 3 C4 C2 H3 CONECT C1 2 N1 C2 CONECT C2 3 C7 C3 C1 CONECT O1 2 C6 H4 CONECT O2 2 C7 H5 CONECT H1 1 C4 CONECT H2 1 C5 CONECT H3 1 C3 CONECT H4 1 O1 CONECT H5 1 O2 END HET P3K 15 HETNAM P3K 2,3-bis(oxidanyl)benzenecarbonitrile FORMUL P3K C7 H5 N1 O2