RESIDUE 13D 15 CONECT CA 4 CB NAA HAC1 HAC2 CONECT CB 4 CA CC HBC1 HBC2 CONECT CC 4 CB ND HCC1 HCC2 CONECT ND 3 CC HDN1 HDN2 CONECT NAA 3 CA HAA1 HAA2 CONECT HAC1 1 CA CONECT HAC2 1 CA CONECT HBC1 1 CB CONECT HBC2 1 CB CONECT HCC1 1 CC CONECT HCC2 1 CC CONECT HDN1 1 ND CONECT HDN2 1 ND CONECT HAA1 1 NAA CONECT HAA2 1 NAA END HET 13D 15 HETNAM 13D 1,3-DIAMINOPROPANE FORMUL 13D C3 H10 N2