preferred_name: 4-deoxy-L-erythro-hex-4-enopyranuronate <=> (4S,5S)-4,5-dihydroxy-2,6-dioxohexanoate
preferred_name_lc: 4-deoxy-l-erythro-hex-4-enopyranuronate <=> (4s,5s)-4,5-dihydroxy-2,6-dioxohexanoate
label: 4-deoxy-L-erythro-hex-4-enopyranuronate <=> (4S,5S)-4,5-dihydroxy-2,6-dioxohexanoate
label_lc: 4-deoxy-l-erythro-hex-4-enopyranuronate <=> (4s,5s)-4,5-dihydroxy-2,6-dioxohexanoate