6-[4-[2-[[(3R)-3-hydroxypyrrolidin-1-yl]methyl]phenyl]phenyl]-1-(4-methoxyphenyl)-3-(tetrazol-2-ylmethyl)-4,5-dihydropyrazolo[5,4-c]pyridin-7-one 6-[4-[2-[[(3R)-3-hydroxy-1-pyrrolidinyl]methyl]phenyl]phenyl]-1-(4-methoxyphenyl)-3-(2-tetrazolylmethyl)-4,5-dihydropyrazolo[5,4-c]pyridin-7-one 6-[4-[2-[[(3R)-3-hydroxypyrrolidin-1-yl]methyl]phenyl]phenyl]-1-(4-methoxyphenyl)-3-(1,2,3,4-tetrazol-2-ylmethyl)-4,5-dihydropyrazolo[5,4-c]pyridin-7-one