Synonyms: b-D-Glucopyranoside,1a,1b,2,5a,6,6a-hexahydro-1a-(hydroxymethyl)-6-methoxyoxireno[4,5]cyclopenta[1,2-c]pyran-2-yl6-O-b-D-xylopyranosyl-, [1aS-(1aa,1bb,2b,5ab,6b,6aa)]-; Oxireno[4,5]cyclopenta[1,2-c]pyran, b-D-glucopyranoside deriv.; Karsoside