Form A was studied by single-crystal X-ray diffraction, it crystallized in the triclinic system, space group P(superscript -)1, with two formula units per cell, is monohydrate.

• 氯苄律定晶型A为三斜晶系，空间群为P（上标-）1，每个晶胞中有两个互为镜象的分子，为一水合物。