RESIDUE 3BB 13 CONECT BR1 1 C2 CONECT C1 3 C2 H11 H12 CONECT C2 3 BR1 C1 C3 CONECT C3 4 C2 C4 H31 H32 CONECT C4 4 C3 O5 H41 H42 CONECT O5 2 C4 HO5 CONECT H11 1 C1 CONECT H12 1 C1 CONECT H31 1 C3 CONECT H32 1 C3 CONECT H41 1 C4 CONECT H42 1 C4 CONECT HO5 1 O5 END HET 3BB 13 HETSYN 3BB 3-BROMO-3-BUTEN-1-OL HETNAM 3BB 3-BROMOBUT-3-EN-1-OL FORMUL 3BB C4 H7 Br1 O1