RESIDUE 1ED 41 CONECT OB 1 CB CONECT CB 3 OB CAB NA CONECT CAB 4 CB CBB NB H1 CONECT CBB 4 CAB CGB H2 H3 CONECT CGB 3 CBB CD4 CD3 CONECT CD4 3 CGB CE4 H4 CONECT CE4 3 CD4 CZB H5 CONECT CZB 3 CE4 OHB CE3 CONECT OHB 2 CZB H6 CONECT CE3 3 CZB CD3 H7 CONECT CD3 3 CGB CE3 H8 CONECT NB 3 CAB CA H9 CONECT CA 3 NB OA CAA CONECT OA 1 CA CONECT NA 3 CB CAA H10 CONECT CAA 4 CA NA CBA H11 CONECT CBA 4 CAA CGA H12 H13 CONECT CGA 3 CBA CD1 CD2 CONECT CD1 3 CGA CE1 H14 CONECT CE1 3 CD1 CZA H15 CONECT CZA 3 CE1 CE2 H16 CONECT CE2 3 CZA CD2 H17 CONECT CD2 3 CGA CE2 H18 CONECT H1 1 CAB CONECT H2 1 CBB CONECT H3 1 CBB CONECT H4 1 CD4 CONECT H5 1 CE4 CONECT H6 1 OHB CONECT H7 1 CE3 CONECT H8 1 CD3 CONECT H9 1 NB CONECT H10 1 NA CONECT H11 1 CAA CONECT H12 1 CBA CONECT H13 1 CBA CONECT H14 1 CD1 CONECT H15 1 CE1 CONECT H16 1 CZA CONECT H17 1 CE2 CONECT H18 1 CD2 END HET 1ED 41 HETNAM 1ED (3S,6S)-3-benzyl-6-(4-hydroxybenzyl)piperazine-2,5-dion HETNAM 2 1ED e FORMUL 1ED C18 H18 N2 O3