Heptacarboxylporphyrin II:MRat:XXX:Stool:Qn
heptacarboxylporphyrin ii:mrat:xxx:stool:qn
Heptacarboxylporphyrin II:Mass Rate:Not specified:Stool:Quantitative
heptacarboxylporphyrin ii:mass rate:not specified:stool:quantitative