The invention relates to the use of derivatives of E-type prostaglandins as EP
2
agonists, in general, and, in particular as ocular hypotensives. The PGE derivatives used in accordance with the invention are represented by the following formula I:
1
wherein the hatched segment represents an &agr; bonds, the solid triangle represents a &bgr; bond, the wavy segments represent &agr; or &bgr; bond, dashed lines represent a double bond or a single bond R, , R
1
, R
2
and R
3
are as defined in the specification.
这项发明涉及将E型
前列腺素的衍
生物作为EP2激动剂的使用,一般而言,特别是作为眼压降低剂。根据本发明使用的
PGE衍
生物由以下式I表示:其中,阴影部分代表α键,实心三角形代表β键,波浪线段代表α或β键,虚线代表双键或单键,R,R1,R2和R3如规范中定义。