Carboxy tetrahydrocannabinol:MCnc:Pt:XXX:Qn
carboxy tetrahydrocannabinol:mcnc:pt:xxx:qn
Carboxy tetrahydrocannabinol:Mass Concentration:To identify measures at a point in time:Not specified:Quantitative
carboxy tetrahydrocannabinol:mass concentration:to identify measures at a point in time:not specified:quantitative