... 2005. Tieu ban sd 41 (19/5/1978) do TS. Vu Xuan Phuang xac dinh va dugc giii tai Vien Sinh thai va Tai nguyen Sinh vat, Vien Khoa hgc vi Cdng nghe Viet Nam. 3. Chiet, tach va sd lieu phd La ... [15] Ldi cam on: Chimg toi xin chdn thdnh cdm on TS. Vu Xiidn Phuong, Vien Sinh thdi vd Tdi nguyen Sinh vdt, Vien Khoa hoc vd Cong nghe Viet Nam ve viec xdc dinh mdu thiic ... chat 6 tuong tu nhu cua chit 2, chi khac la cd tfn hieu cua nhdm keton (4:199,77). Khi so sinh phd '""C-NMR CLia chit 6 vdi phd cua chit 5 ta thiy tfn hieu ciia C,2=C,3...