1H and 13C NMR assignments of sesquiterpenes from Dysidea fragilis. (20th August 2015) - Nhiem, Nguyen Xuan; Cuc, Nguyen Thi; Hang, Dan Thi Thuy; Trang, Do Thi; Nam, Nguyen Hoai; Yen, Pham Hai; Thung, Do Cong; Thu, Vu Kim; Tuan Anh, Hoang Le; Tai, Bui Huu; Minh, Chau Van; Kiem, Phan Van