2,5-Bis-<5'-methylbenzoxazolyl(2')>-thiophene;Benzoxazole,2,2'-(2,5-thiophenediyl)bis[5-methyl;bis-(1R,1'R,2R,2'R,3R,3'R)-1,2,3,4-butanetetrol-1,1'-(2,5-pyrazinediyl);tagatosazine;(Tagatosazin);