发明授权
US4760151A Dithioketo pyrrolopyrroles 失效
二硫酮酮吡咯并吡咯

Dithioketo pyrrolopyrroles
摘要:
Compounds of formula (1) ##STR1## wherein A and B are identical or different alkyl, aralkyl or cycloalkyl groups or carbocyclic or heterocyclic aromatic radicals, R.sub.1 and R.sub.2 are hydrogen atoms or substituents which do not impart solubility in water, are particularly suitable as photoconductive substances.
公开/授权文献
信息查询
0/0