preferred_name: D-erythrose + 3-hydroxypyruvate = (3S,4S,5R,6R)-3,4,5,6,7-pentahydroxy-2-oxoheptanoate
preferred_name_lc: d-erythrose + 3-hydroxypyruvate = (3s,4s,5r,6r)-3,4,5,6,7-pentahydroxy-2-oxoheptanoate
label: D-erythrose + 3-hydroxypyruvate = (3S,4S,5R,6R)-3,4,5,6,7-pentahydroxy-2-oxoheptanoate
label_lc: d-erythrose + 3-hydroxypyruvate = (3s,4s,5r,6r)-3,4,5,6,7-pentahydroxy-2-oxoheptanoate