Phuong, Nguyen, Truong Hong Hieu, Tran Thach Van, Tran Thi Thanh Van, Polyakova Elena Ivanovna, Dao Thi Nhung, Soldatenkov A.T, To Hai Tung, & Le Tuan Anh. " Synthesis of Pyridinocrownophane Derivatives." VNU Journal of Science: Natural Sciences and Technology [Online], 33.4 (2017): n. pag. Web. 22 Dec. 2024