海量图书期刊资源,随时随地畅享阅读乐趣
Nonempirical calculations of the effect of molecular fragments on proton chemical shifts in heterocyclesR. M. Aminova; A. V. Aganov; G. K. Zakirova · 1990
Proton chemical shifts and three-dimensional structure of seven-membered ring 1,3,2-dioxaheterocycles and their six-membered ring heteroanalogsR. M. Aminova; A. V. Aganov; G. K. Zakirova; B. A. Arbuzov · 1988