4-Hydroxy Solifenacin N-Oxide

Chemical Name: (1R,3R,4R)-3-(((1R,4R)-4-hydroxy-1-phenyl-1,2,3,4-tetrahydroisoquinoline-2-carbonyl)oxy)quinuclidine 1-oxide compound with (1R,3R,4R)-3-(((1S,4S)-4-hydroxy-1-phenyl-1,2,3,4-tetrahydroisoquinoline-2-carbonyl)oxy)quinuclidine 1-oxide (1:1)