RESIDUE 301 26 CONECT C15 4 C14 H15 H15A H15B CONECT C14 3 C15 C13 H14 CONECT C13 3 C14 C12 H13 CONECT C12 4 C13 C11 H12 H12A CONECT C11 3 C12 N10 H11 CONECT N1 2 C2 C6 CONECT C2 3 N1 N3 H2 CONECT N3 2 C2 C4 CONECT C4 3 N3 C5 N9 CONECT C5 3 C4 C6 N7 CONECT C6 3 N1 C5 N10 CONECT N10 2 C11 C6 CONECT N7 2 C5 C8 CONECT C8 3 N7 N9 H8 CONECT N9 3 C4 C8 HN9 CONECT H15 1 C15 CONECT H15A 1 C15 CONECT H15B 1 C15 CONECT H14 1 C14 CONECT H13 1 C13 CONECT H12 1 C12 CONECT H12A 1 C12 CONECT H11 1 C11 CONECT H2 1 C2 CONECT H8 1 C8 CONECT HN9 1 N9 END HET 301 26 HETSYN 301 N-[(1E,3Z)-pent-3-en-1-ylidene]-9H-purin-6-amine HETNAM 301 N6-(penta-2,3-dienyl)adenine FORMUL 301 C10 H11 N5