The molecule is an organic cation obtained by protonation of the secondary hydroxy group of olodaterol It is an organic cation and an ammonium ion derivative. It is a conjugate acid of an olodaterol.
[(2R)-2-hydroxy-2-(6-hydroxy-3-oxo-4H-1,4-benzoxazin-8-yl)ethyl]-[1-(4-methoxyphenyl)-2-methylpropan-2-yl]azanium