RESIDUE 1CB 17 CONECT C2 4 C1 C3 H21 H22 CONECT C1 4 C2 C4 N2 H1 CONECT C4 4 C1 C5 H41 H42 CONECT C5 4 C4 C3 H51 H52 CONECT C3 4 C2 C5 H31 H32 CONECT N2 3 C1 HN21 HN22 CONECT H21 1 C2 CONECT H22 1 C2 CONECT H1 1 C1 CONECT H41 1 C4 CONECT H42 1 C4 CONECT H51 1 C5 CONECT H52 1 C5 CONECT H31 1 C3 CONECT H32 1 C3 CONECT HN21 1 N2 CONECT HN22 1 N2 END HET 1CB 17 HETNAM 1CB CYCLOPENTANAMINE FORMUL 1CB C5 H11 N1