title: 1,3-Dihy-droxy-2-(hy-droxy-meth-yl)propan-2-aminium formate.
abstract: The title compound, C(4)H(12)NO(3) (+)·CHO(2) (-), was obtained from 1,3-dihy-droxy-2-(hy-droxy-meth-yl)propan-2-aminium acetate and ethyl formate. In the crystal, the cations and anions are held together by inter-molecular N-H⋯O and O-H⋯O hydrogen bonds.
authors.affiliation: Pharmaceutical Crystal Engineering Research Group, Shanghai Institute of Pharmaceutical Industry, 1320 Beijing Road (W), Shanghai 200040, People's Republic of China.
authors.forename: Guo-Bin
authors.initials: GB
authors.lastname: Ren
authors.forename: Ming-Hui
authors.initials: MH
authors.lastname: Qi
authors.forename: Jin-Yao
authors.initials: JY
authors.lastname: Chen
authors.forename: Kun-Yan
authors.initials: KY
authors.lastname: Meng
authors.forename: Jia-Liang
authors.initials: JL
authors.lastname: Zhong