Zhejiang Hisun Pharmaceutical Co., Ltd.; Bai, Hua; Zhao, Xuyang; Gong, Yongxiang; Zhong, Jinqing; Zhu, Qifeng; Liu, Xiaoyu; Liu, Lifei; Zhou, Qixian Patent: US2013/225810 A1, 2013 ; Location in patent: Paragraph 0081; 0082 ;