| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a new radioactive isotope-labeled colorant compound. Ž<P>SOLUTION: The compound is represented by general formula (I) or its salt. Therein, (n) is an integer of 3 or 4; Q<SB>1</SB>and Q<SB>2</SB>are each independently a carbon group that forms a carbon ring which may have one or more substituents or a heterogeneous ring which may have one or more substituents, together with carbon atoms bound to Q<SB>1</SB>and Q<SB>2</SB>; P<SB>1</SB>and P<SB>2</SB>are each independently<SP>123</SP>I,<SP>124</SP>I,<SP>125</SP>I,<SP>131</SP>I or<SP>18</SP>F; and L groups are mutually identically or differently each a methine group which may have a substituent. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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