海量图书期刊资源，随时随地畅享阅读乐趣
Divinylsulfide aus EthendithiolatenDieter Martin; Michael Gelbin · 1985
Ketene-S,N-acetals as synthons for heterocycles New Synthesis of PyrimidinonesDr. Michael Gelbin; Prof. Dr. Dieter Martin · 1987