(C15H24O·C5H12O4·CH2O·W99)x
(C9H6N2O2·C8H4O3·C7H6O2·C5H12O4· W99)x
(C9H6N2O2·C8H4O3·C6H14O3·C5H12O4· W99)x
(C8H4O3·C6H14O3·C4H2O3·W99)x