RESIDUE 0A5 14 CONECT C1 4 C4 BR1 H HA CONECT C2 3 O1 C3 OXT CONECT O1 1 C2 CONECT C3 4 C2 C4 H2 H2A CONECT C4 4 C1 C3 H3 H3A CONECT OXT 2 C2 HXT CONECT BR1 1 C1 CONECT H 1 C1 CONECT HA 1 C1 CONECT H2 1 C3 CONECT H2A 1 C3 CONECT H3 1 C4 CONECT H3A 1 C4 CONECT HXT 1 OXT END HET 0A5 14 HETNAM 0A5 4-bromobutanoic acid FORMUL 0A5 C4 H7 Br1 O2