RESIDUE K4L 37 CONECT N1 3 C6 C2 H17 CONECT C4 3 C5 C3 H1 CONECT C5 3 C4 C6 C14 CONECT C6 3 N1 C5 O7 CONECT C8 3 C13 C3 C9 CONECT C10 3 C9 N11 H3 CONECT C13 3 C8 C12 H4 CONECT C15 4 C14 C16 H5 H6 CONECT C17 3 C16 C18 H7 CONECT C20 3 C21 C19 H8 CONECT C21 3 C20 C16 H9 CONECT C2 3 N1 C3 H10 CONECT C3 3 C4 C8 C2 CONECT O7 1 C6 CONECT C9 3 C8 C10 H11 CONECT N11 2 C10 C12 CONECT C12 3 C13 N11 H12 CONECT C14 4 C5 C15 H13 H14 CONECT C16 3 C15 C17 C21 CONECT C18 3 C17 C19 H15 CONECT C19 3 C20 C18 H16 CONECT H1 1 C4 CONECT H3 1 C10 CONECT H4 1 C13 CONECT H5 1 C15 CONECT H6 1 C15 CONECT H7 1 C17 CONECT H8 1 C20 CONECT H9 1 C21 CONECT H10 1 C2 CONECT H11 1 C9 CONECT H12 1 C12 CONECT H13 1 C14 CONECT H14 1 C14 CONECT H15 1 C18 CONECT H16 1 C19 CONECT H17 1 N1 END HET K4L 37 HETNAM K4L 5-(2-phenylethyl)[3,4'-bipyridin]-6(1H)-one FORMUL K4L C18 H16 N2 O