Synonyms: 3-Hexulofuranosonicacid, 2-C-(2-carboxy-1-methylpropyl)-5-O-b-D-glucopyranosyl-, di-g-lactone(7CI,8CI); Spiro[furan-2(5H),3'(2'H)-furo[3,2-b]furan]-2',5-dione,6'-(b-D-glucopyranosyloxy)hexahydro-3'a-hydroxy-3,4-dimethyl-,[3'S-[3'a(3R*,4R*),3'ab,6'b,6'ab]]-; Piptoside