1 0O7 8-(4-ethylphenyl)-5-methyl-2,5-dihydropyrazolo[4,3-C][2,1]benzothiazine 4,4-dioxide 1.000 2 0PF 1-ethyl-8-(4-ethylphenyl)-5-methyl-1,5-dihydropyrazolo[4,3-C][2,1]benzothiazine 4,4-dioxide 0.923