RESIDUE 1U9 44 CONECT O 2 C16 H16 CONECT C16 4 O C15 H14 H15 CONECT C15 4 C16 C14 H13 H12 CONECT C14 3 C15 C13 C17 CONECT C13 3 C14 C12 H11 CONECT C12 3 C13 C11 H10 CONECT C11 3 C12 C10 H9 CONECT C17 3 C14 C10 H17 CONECT C10 3 C11 C17 C9 CONECT C9 3 C10 C8 H8 CONECT C8 3 C9 C7 H7 CONECT C7 3 C8 C6 C18 CONECT C6 3 C7 C5 H6 CONECT C18 3 C7 C19 H18 CONECT C19 3 C18 C20 H19 CONECT C20 3 C19 C5 C21 CONECT C5 3 C6 C20 C4 CONECT C4 3 C5 C3 H5 CONECT C3 3 C4 C2 H4 CONECT C21 3 C20 C2 H20 CONECT C2 3 C3 C21 C1 CONECT C1 3 C2 N2 N1 CONECT N2 3 C1 H3 H2 CONECT N1 2 C1 H1 CONECT H16 1 O CONECT H14 1 C16 CONECT H15 1 C16 CONECT H13 1 C15 CONECT H12 1 C15 CONECT H11 1 C13 CONECT H10 1 C12 CONECT H9 1 C11 CONECT H17 1 C17 CONECT H8 1 C9 CONECT H7 1 C8 CONECT H6 1 C6 CONECT H18 1 C18 CONECT H19 1 C19 CONECT H5 1 C4 CONECT H4 1 C3 CONECT H20 1 C21 CONECT H3 1 N2 CONECT H2 1 N2 CONECT H1 1 N1 END HET 1U9 44 HETNAM 1U9 6-{(E)-2-[3-(2-hydroxyethyl)phenyl]ethenyl}naphthalene- HETNAM 2 1U9 2-carboximidamide FORMUL 1U9 C21 H20 N2 O1