3[1] Kamanishi Tetsuaki,Nomura Tekeo.Hydrolysis promoting ethers and their preparation use in enzyme analysis[P].JP:02 203 789,1990-08-13.
4[2] Krogulecki Adam,Bekievz Gerard.Ethoxylation of light aliphatic
5[3] Vaughan Ronald J.Oxyalkylation process[P].US:4 409 403,1983-10-11.
6[4] Emelyanov V I,Asriev S D.Optimization of the simultaneous product of batty ethers of mono-and diethylene glycol[J].Khim.Prom—st,1989,(12):898-900(Russ).
