参考文献

JIANGSU HENGRUI MEDICINE CO., LTD.; SHANGHAI HENGRUI PHARMACEUTICAL CO., LTD.; Yang, Fanglong; Tang, Peng Cho; Dong, Qing; Tu, Wangyang; Fan, Jiang; Guan, Dongliang; Shen, Guangyuan; Wang, Yang; Yuan, Jijun; Zhang, Limin Patent: US2013/130997 A1, 2013 ; Location in patent: Paragraph 0121 ;