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 PYRIDINE-2,3-DICARBOXAMIDE
4663-94-9

PYRIDINE-2,3-DICARBOXAMIDE synthesis

4synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 2 steps
1: conc. H2SO4 / Heating
2: NH3 / H2O / 24 h

References:

Neustroeva [Russian Journal of General Chemistry,1999,vol. 69,# 11,p. 1823 - 1826]

PYRIDINE-2,3-DICARBOXAMIDE Related Search:

缙云县| 两当县| 育儿| 筠连县| 河北省| 浦江县| 化州市| 乡宁县| 南京市| 苏州市| 汪清县| 前郭尔| 皋兰县| 礼泉县| 西昌市| 利川市| 新乡市| 五台县| 错那县| 无棣县| 本溪市| 门头沟区| 女性| 洛扎县| 罗源县| 哈巴河县| 商都县| 韩城市| 阳西县| 陈巴尔虎旗| 龙里县| 高安市| 灵台县| 寿光市| 陇川县| 新巴尔虎右旗| 来凤县| 泽普县| 垦利县| 馆陶县| 洪泽县|