The present invention relates to novel amidine components of formula (II): ##STR1## A method for eliciting antibodies in an animal which bind to Lipid A or LPS comprising administering to the animal as an immunogen a composition comprising such a compound is also disclosed.
                            本发明涉及式(II)的新型胺基化合物:##STR1## 也公开了一种在动物体内诱导结合脂
多糖A或脂
多糖的
抗体的方法,包括向动物体内施用包含这种化合物的组合物作为免疫原。