Cephem Compounds Having Broad Antibacterial Spectrum
申请人:Nishitani Yasuhiro
公开号:US20090131655A1
公开(公告)日:2009-05-21
A compound of the formula:
(wherein,
T is S, SO or O;
X is halogen, CN, carbamoyl optionally substituted with lower alkyl, lower alkyl, lower alkoxy, or lower alkylthio;
A is substituted lower alkylene (wherein the substituent is optionally substituted mono lower alkyl, optionally substituted lower alkylidene, or optionally substituted lower alkylene)
Z
+
is an optionally substituted, a cation and an N atom-containing heterocyclic group), ester, amino-protected compound wherein the amino bonds to a thiazole ring at the 7-position, or pharmaceutically acceptable salt or solvate thereof.
SEMICONDUCTOR MATERIALS BASED ON DIKETOPIPERIDINOPIPERIDINE COPOLYMERS
申请人:Mishra Ashok Kumar
公开号:US20120277404A1
公开(公告)日:2012-11-01
The present invention provides a polymer comprising a unit of formula
and an electronic device comprising the polymer as semiconducting material.