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