RESIDUE 0D2 40 CONECT O20 1 C19 CONECT C19 3 O20 N16 C18 CONECT N16 3 C19 C15 H1 CONECT C18 4 C19 N17 C21 C5 CONECT N17 3 C18 C15 H2 CONECT C15 3 N16 N17 O14 CONECT O14 1 C15 CONECT C21 3 C18 C26 C22 CONECT C26 3 C21 C25 H3 CONECT C25 3 C26 C24 H4 CONECT C24 3 C25 C23 H5 CONECT C23 3 C24 C22 H6 CONECT C22 3 C21 C23 H7 CONECT C5 4 C18 N4 C1 C6 CONECT N4 3 C5 C3 H8 CONECT C3 3 N4 O13 N2 CONECT O13 1 C3 CONECT C1 3 C5 O12 N2 CONECT O12 1 C1 CONECT N2 3 C3 C1 H9 CONECT C6 3 C5 C7 C11 CONECT C7 3 C6 C8 H10 CONECT C8 3 C7 C9 H11 CONECT C9 3 C8 C10 H12 CONECT C10 3 C9 C11 H13 CONECT C11 3 C6 C10 H14 CONECT H1 1 N16 CONECT H2 1 N17 CONECT H3 1 C26 CONECT H4 1 C25 CONECT H5 1 C24 CONECT H6 1 C23 CONECT H7 1 C22 CONECT H8 1 N4 CONECT H9 1 N2 CONECT H10 1 C7 CONECT H11 1 C8 CONECT H12 1 C9 CONECT H13 1 C10 CONECT H14 1 C11 END HET 0D2 40 HETNAM 0D2 (4R,4'S)-4,4'-diphenyl-4,4'-biimidazolidine-2,2',5,5'-t HETNAM 2 0D2 etrone FORMUL 0D2 C18 H14 N4 O4