RESIDUE 57O 25 CONECT CAA 4 CAJ H1 H2 H3 CONECT CAB 4 CAK H4 H5 H6 CONECT OAE 2 CAL H12 CONECT CAM 3 CAG NAH CAK CONECT OAD 2 CAI H7 CONECT OAC 1 CAI CONECT CAI 3 OAD OAC CAG CONECT CAG 4 CAM CAI H8 H9 CONECT NAH 2 CAM CAL CONECT CAL 3 OAE NAH CAJ CONECT CAJ 3 CAA CAL CAN CONECT CAN 3 CAJ OAF CAK CONECT OAF 2 CAN H10 CONECT CAK 3 CAB CAM CAN CONECT H1 1 CAA CONECT H2 1 CAA CONECT H3 1 CAA CONECT H4 1 CAB CONECT H5 1 CAB CONECT H6 1 CAB CONECT H7 1 OAD CONECT H8 1 CAG CONECT H9 1 CAG CONECT H10 1 OAF CONECT H12 1 OAE END HET 57O 25 HETNAM 57O (4,6-dihydroxy-3,5-dimethylpyridin-2-yl)acetic acid FORMUL 57O C9 H11 N1 O4