3-((2'-(benzoylaminosulfonyl)(1,1'-biphenyl)-4-yl)methyl)-2-butyl-2,3-diazaspiro(4.4)nonane-1,4-dione
3-((2'-(benzoylaminosulfonyl)(1,1'-biphenyl)-4-yl)methyl)-2-butyl-2,3-diazaspiro(4.4)nonane-1,4-dione