title: 3',6'-Bis(diethyl-amino)-2-(2-hydroxy-ethyl-amino)spiro-[isoindoline-1,9'-xanthen]-3-one.
abstract: In the title mol-ecule, C(30)H(36)N(4)O(3), the dihedral angle between the planes of the xanthene and spiro-lactam rings systems is 88.69 (4)°. Both C atoms of one of the ethyl groups are disordered over two sites with occupancies 0.72 (2)/0.28 (2). The conformation of the mol-ecule may be influenced by two intra-molecular hydrogen bonds.
authors.forename: Mao-Zhong
authors.initials: MZ
authors.lastname: Tian
authors.forename: Xiao-Jun
authors.initials: XJ
authors.lastname: Peng