1 64E 1-propylisochromeno[3,4-C]pyrazol-5(3h)-one 1.000 2 64F 1-butylisochromeno[3,4-C]pyrazol-5(3h)-one 0.944 3 64C 1-ethylisochromeno[3,4-C]pyrazol-5(3h)-one 0.941 4 6BL 1-methyl[2]benzopyrano[3,4-C]pyrazol-5(3h)-one 0.882 5 GVG 3-methyl-4-phenyl-1h-pyrazole 0.706