RESIDUE 3ML 19 CONECT CAA 4 CAI HAA HAAA HAAB CONECT CAI 3 CAA CAE CAK CONECT CAE 3 CAI CAJ HAE CONECT CAJ 3 CAE OAC OAG CONECT OAC 1 CAJ CONECT OAG 2 CAJ CAK CONECT CAK 4 CAI OAG CAF HAK CONECT CAF 4 CAK CAH HAF HAFA CONECT CAH 3 CAF OAD OAB CONECT OAD 1 CAH CONECT OAB 2 CAH HOAB CONECT HAA 1 CAA CONECT HAAA 1 CAA CONECT HAAB 1 CAA CONECT HAE 1 CAE CONECT HAK 1 CAK CONECT HAF 1 CAF CONECT HAFA 1 CAF CONECT HOAB 1 OAB END HET 3ML 19 HETSYN 3ML 3-methylmuconolactone HETNAM 3ML [(2S)-3-methyl-5-oxo-2,5-dihydrofuran-2-yl]acetic acid FORMUL 3ML C7 H8 O4