A compound represented by general formula (I) below, or a pharmacologically acceptable salt thereof:
wherein X represents sulfonic acid group or phosphoric acid group; R1 and R2 represent substituents; R3 to R6 represent optionally substituted alkyl groups; R7 and R8 represent optionally substituted alkyl groups; L1 to L3 represent optionally substituted methine groups; r represents an integer of from 0 to 3, and when r is 2 or more, the plural L2 and the plural L3 may be the same or different, respectively; each of m and n represent integers of 0 to 3; at least one of the substituents is an acid group selected from sulfonic acid group, carboxylic acid group, and phosphonic acid group or a group comprising the acid group; and two or more of the acid groups and X are selected from carboxylic acid group and phosphonic acid group.
由下式通式(I)代表的化合物或其药理学上可接受的盐:
其中 X 代表
磺酸基团或
磷酸基团;R1 和 R2 代表取代基;R3 至 R6 代表任选取代的烷基;R7 和 R8 代表任选取代的烷基;L1 至 L3 代表任选取代的甲基;r 代表 0 至 3 的整数,当 r 为 2 或 2 以上时,复数
L2 和复数 L3 可分别相同或不同;m和n各代表0至3的整数;至少一个取代基是选自
磺酸基、
羧酸基和
膦酸基的酸基或包含酸基的基团;两个或两个以上的酸基和X选自
羧酸基和
膦酸基。