RESIDUE YFZ 28 CONECT C 3 CA O OXT CONECT CA 4 C CB HA1 HA2 CONECT CB 4 CA CG O2 HB CONECT O 1 C CONECT CG 4 CB CD HG1 HG2 CONECT CZ 4 CE OH HZ1 HZ2 CONECT CD 4 CG CE O3 HD CONECT CE 4 CZ CD N HE CONECT O3 2 CD HO3 CONECT O2 2 CB HO2 CONECT N 3 CE H H2 CONECT OH 2 CZ H1 CONECT HA1 1 CA CONECT HA2 1 CA CONECT HB 1 CB CONECT HG1 1 CG CONECT HG2 1 CG CONECT HZ1 1 CZ CONECT HZ2 1 CZ CONECT HD 1 CD CONECT HE 1 CE CONECT HO3 1 O3 CONECT HO2 1 O2 CONECT H 1 N CONECT H2 1 N CONECT H1 1 OH CONECT OXT 2 C HXT CONECT HXT 1 OXT END HET YFZ 28 HETSYN YFZ (3S,5S,6S)-6-azanyl-3,5,7-tris(oxidanyl)heptanoic acid; HETSYN 2 YFZ Galantinic acid HETNAM YFZ (-)-Galantinic acid FORMUL YFZ C7 H15 N O5