RESIDUE 3CN 13 CONECT CA 4 CB HA1 HA2 HA3 CONECT CB 4 CA CC HB1 HB2 CONECT CC 4 CB ND HC1 HC2 CONECT ND 3 CC HND1 HND2 CONECT HA1 1 CA CONECT HA2 1 CA CONECT HA3 1 CA CONECT HB1 1 CB CONECT HB2 1 CB CONECT HC1 1 CC CONECT HC2 1 CC CONECT HND1 1 ND CONECT HND2 1 ND END HET 3CN 13 HETNAM 3CN 3-AMINOPROPANE FORMUL 3CN C3 H9 N1