RESIDUE RHN 29 CONECT OAA 1 CAL CONECT OAB 1 CAP CONECT OAC 1 CAQ CONECT OAD 2 CAL HOAD CONECT OAE 2 CAN HOAE CONECT OAF 2 CAO HOAF CONECT CAG 3 CAH CAI HAG CONECT CAH 3 CAG CAN HAH CONECT CAI 3 CAG CAR HAI CONECT CAJ 3 CAM CAO HAJ CONECT CAK 3 CAM CAS HAK CONECT CAL 3 OAA OAD CAM CONECT CAM 3 CAJ CAK CAL CONECT CAN 3 OAE CAH CAT CONECT CAO 3 OAF CAJ CAU CONECT CAP 3 OAB CAR CAS CONECT CAQ 3 OAC CAT CAU CONECT CAR 3 CAI CAP CAT CONECT CAS 3 CAK CAP CAU CONECT CAT 3 CAN CAQ CAR CONECT CAU 3 CAO CAQ CAS CONECT HOAD 1 OAD CONECT HOAE 1 OAE CONECT HOAF 1 OAF CONECT HAG 1 CAG CONECT HAH 1 CAH CONECT HAI 1 CAI CONECT HAJ 1 CAJ CONECT HAK 1 CAK END HET RHN 29 HETSYN RHN Rhein; Rhubarb Yellow HETNAM RHN 4,5-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carbo HETNAM 2 RHN xylic acid FORMUL RHN C15 H8 O6