CRYSTAL-STRUCTURE OF (2S,4R,5R,6R)-2-(4,5-DIBENZYLOXY-6-BENZYLOXYMETHYL TETRAHYDROPYRANYL)TRIPHENYLPHOSPHONIUM TETRAFLUOROBORATE, ALPHA-C45H44PBF4O4 AND OF 2R,4R,5R,6R)-2-(4,5-DIBENZYLOXY-6-BENZYLOXY-METHYL TETRAHYDROPYRANYL)TRIPHENYLPHOSPHONIUM TETRAFLUOROBORATE, BETA-C45H44PBF4O4
W. Frey et al., CRYSTAL-STRUCTURE OF (2S,4R,5R,6R)-2-(4,5-DIBENZYLOXY-6-BENZYLOXYMETHYL TETRAHYDROPYRANYL)TRIPHENYLPHOSPHONIUM TETRAFLUOROBORATE, ALPHA-C45H44PBF4O4 AND OF 2R,4R,5R,6R)-2-(4,5-DIBENZYLOXY-6-BENZYLOXY-METHYL TETRAHYDROPYRANYL)TRIPHENYLPHOSPHONIUM TETRAFLUOROBORATE, BETA-C45H44PBF4O4, Zeitschrift fur Kristallographie. New crystal structures, 213(4), 1998, pp. 737-740