海量图书期刊资源，随时随地畅享阅读乐趣
NMR spectra and stereochemistry of some 2,3,4,5-tetrasubstituted pyrrolidinesB. Mikhova; S.L. Spassov; K. Popandova; V. Dryanska; C. Ivanov; H. Duddeck; M. Kaiser · 1987