1)  2'-d]thiophene
2'-d]噻吩
1.
Formylation and diformylation of dithieno [2,3-b:3′,2′-d]thiophene were prepared by two methods.
二噻吩并[2,3-b:3′,2′-d]噻吩单醛与双醛的制备首先通过两种方法产生芳基负离子:1)溴代并三噻吩在四氢呋喃中与正丁基锂发生的溴锂交换;2)用LDA对二噻吩并[2,3-b:3′,2′-d]噻吩去质子化作用。
2)  NO·_2
NO·2
3)  "2+2"
“2+2”
1.
Analysis of the Current Situation of "2+2" Training Way and Research on Managing Model;
军校“2+2”组训方式现状分析及其管理教育模式研究
4)  "2×2×2"
“2×2×2”
5)  2+2+2
“2+2+2”
1.
An important background of our present banking reform is that we are undergoing banking market entry, which has the characteristics of "2+2+2".
当前我国银行业改革的一个重要背景，就是面临具有“2+2+2”特点的市场进入。
6)  22-out-of-2
2乘2取2
参考词条
补充资料：2-(3-氧代苯并[B]噻吩2(3H)-亚基-苯并[B]噻吩-3(2H)-酮
CAS: 522-75-8
分子式: C16H8O2S2
中文名称: 2-(3-氧代苯并[B]噻吩2(3H)-亚基-苯并[B]噻吩-3(2H)-酮

英文名称: 2-(3-oxobenzo[b]thien-2(3H)-ylidene)-Benzo[b]thiophen-3(2H)-one
(delta(sup 2,2'(3h,3'h))-bibenzo(b)thiophene)-3,3'-dione；4,4'-diisothioindigo；antinolo red b
2-(3-oxobenzo[b]thien-2(3h)-ylidene)-benzo[b]thiophen-3(2h)-on
c.i. 73300；c.i. vat red 41；ciba pink b；durindone printing red b；durindone red b；durindone red bp；heliane red 5b
说明：补充资料仅用于学习参考，请勿用于其它任何用途。