The present invention relates to compounds being esters of 5-aminolevulinic acids or pharmaceutically acceptable salts thereof, including compounds of formula (I) R
2
2
N—CH
2
COCH
2
—CH
2
CO—OR
1
(wherein R
1
may represent alkyl optionally substituted by hydroxy, alkoxy, acyloxy, alkoxycarbonyloxy, amino, aryl, oxo or fluoro groups and optionally interrupted by oxygen, nitrogen, sulphur or phosphorus atoms; and R
2
represents a hydrogen atom or a group R
1
, and both R
2
groups may be the identical or different), and their use in diagnosis and photochemotherapy of disorders or abnormalities of external or internal surfaces of the body, and products and kits for performing the invention.
本发明涉及
5-氨基戊酸酯化合物或其药学上可接受的盐,包括式(I)的化合物
R22N-CH2COCH2-CH2CO-OR1(其中R1可能代表烷基,可选地被羟基,烷氧基,酰氧基,烷氧羰氧基,
氨基,芳基,氧化物或
氟基取代,并可由氧,氮,
硫或
磷原子中断; R2表示氢原子或R1基团,且两个R2基团可以相同或不同),以及它们在诊断和光
化学治疗身体内外表面的疾病或异常中的应用,以及用于执行本发明的产品和工具包。