Isohexacarboxylporphyrin:MRat:XXX:Stool:Qn
isohexacarboxylporphyrin:mrat:xxx:stool:qn
Isohexacarboxylporphyrin:Mass Rate:Not specified:Stool:Quantitative
isohexacarboxylporphyrin:mass rate:not specified:stool:quantitative