ISOTOPE-LABELED PYRYLIUM COMPOUND

• 特願2012-079110 (2012.3.30) JP

The present invention provides: a compound represented by formula (I) or a salt thereof

a method for quantitatively analyzing a target substance containing an amino group, which comprises labeling the target substance in at least two samples by the isotopic labeling respectively using, as labeling compounds, at least two types of the compounds or salts thereof that have different masses from each other so that the mass of the target substance in one of the samples can be different from the mass of the target substance in the other of the samples

and others.

• NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF FUKUI,
• HOKURIKU UNIVERSITY,
• TAIYO NIPPON SANSO CORPORATION

• MATSUKAWA, SHIGERU,
• NARITA, KAZUMI,
• ARAKAWA, YASUSHI,
• SHIMODAIRA, HARUKI

• C07D 309/34      環原子相互間または環原子と非環原子間に３個またはそれ以上の二重結合をもつもの
• G01N  27/62      ガスのイオン化の調査によるもの；放電の調査によるもの，例．陰極の放射