RESIDUE 9FB 20 CONECT C 3 O CA OXT CONECT O 1 C CONECT CA 4 C CE CB HA CONECT CE 4 CA CD HE HEA CONECT CD 4 CE CG HD HDA CONECT CB 4 CA CG N HB CONECT CG 4 CD CB HGA HG CONECT N 3 CB H H2 CONECT OXT 2 C HXT CONECT HA 1 CA CONECT HE 1 CE CONECT HEA 1 CE CONECT HD 1 CD CONECT HDA 1 CD CONECT HB 1 CB CONECT HGA 1 CG CONECT HG 1 CG CONECT H 1 N CONECT H2 1 N CONECT HXT 1 OXT END HET 9FB 20 HETSYN 9FB (+)-Cispentacin; Cispentacin; (1S,2R)-2-aminocyclopenta HETSYN 2 9FB necarboxylic acid; (1S,2R)-2-azanylcyclopentane-1-carbo HETSYN 3 9FB xylic acid HETNAM 9FB (1S,2R)-2-aminocyclopentane-1-carboxylic acid FORMUL 9FB C6 H11 N O2