RESIDUE 0J2 30 CONECT C1 4 C3 C4 H1 H2 CONECT C2 4 C4 H3 H4 H5 CONECT C3 3 C1 O1 O2 CONECT O1 2 C3 H6 CONECT O2 1 C3 CONECT N1 2 N2 C8 CONECT N2 3 N1 C7 H11 CONECT O3 1 C5 CONECT C4 4 C1 C2 C8 H7 CONECT N3 3 C10 H8 H9 CONECT C5 3 O3 C6 N4 CONECT C6 3 C5 C7 C9 CONECT N4 3 C5 C10 H10 CONECT C7 3 N2 C6 N5 CONECT C8 3 N1 C4 C9 CONECT C9 3 C6 C8 O4 CONECT N5 2 C7 C10 CONECT O4 1 C9 CONECT C10 3 N3 N4 N5 CONECT H1 1 C1 CONECT H2 1 C1 CONECT H3 1 C2 CONECT H4 1 C2 CONECT H5 1 C2 CONECT H6 1 O1 CONECT H7 1 C4 CONECT H8 1 N3 CONECT H9 1 N3 CONECT H10 1 N4 CONECT H11 1 N2 END HET 0J2 30 HETNAM 0J2 (3R)-3-(7-amino-4,5-dioxo-1,4,5,6-tetrahydropyrimido[4, HETNAM 2 0J2 5-c]pyridazin-3-yl)butanoic acid FORMUL 0J2 C10 H11 N5 O4