一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
010-86108875
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List 4-ETHOXY-7-HYDROXY-CHROMEN-2-ONE
64231-10-3

4-ETHOXY-7-HYDROXY-CHROMEN-2-ONE synthesis

3synthesis methods
-

Yield:64231-10-3 96%

Reaction Conditions:

with toluene-4-sulfonic acid for 0.00833333 h;microwave irradiation;Pechmann reaction;

References:

Manhas, Maghar S.;Ganguly, Subhendu N.;Mukherjee, Somdatta;Jain, Amit K.;Bose, Ajay K. [Tetrahedron Letters,2006,vol. 47,# 14,p. 2423 - 2425]

巩留县| 正蓝旗| 崇义县| 都安| 静乐县| 普安县| 庄河市| 射洪县| 马公市| 裕民县| 沁源县| 六安市| 保靖县| 蕲春县| 香港 | 阜新| 灵丘县| 崇义县| 浮山县| 磴口县| 昂仁县| 托克逊县| 莲花县| 福建省| 新乡县| 永春县| 科技| 博爱县| 土默特右旗| 康乐县| 麻城市| 久治县| 北安市| 潼关县| 柞水县| 洛川县| 达孜县| 麟游县| 逊克县| 南靖县| 赫章县|