1 PQ8 4-[5-[2-(2-hydroxyethyloxy)ethyl-[(2-methylpropan-2-yl)oxycarbonyl]amino]pyrazolo[1,5-a]pyrimidin-3-yl]-2-oxidanyl-benzoic acid 1.000 2 PQ5 7,10-dioxa-13,17,18,21-tetrazatetracyclo[12.5.2.12,6.017,20]docosa-1(20),2(22),3,5,14(21),15,18-heptaene-5-carboxylic acid 0.706