Invention Publication
- Patent Title: Indole Carboxylic Acid Compound, Indole Carboxylic Acid Compound Mixture, and Analytical Method
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Application No.: US18374781Application Date: 2023-09-29
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Publication No.: US20240125786A1Publication Date: 2024-04-18
- Inventor: Yoshikuni Kikutani , Masaki Takiwaki , Hiroshi Umemura , Seketsu Fukuzawa
- Applicant: JEOL Ltd. , Nihon University
- Applicant Address: JP Tokyo
- Assignee: JEOL Ltd.,Nihon University
- Current Assignee: JEOL Ltd.,Nihon University
- Current Assignee Address: JP Tokyo
- Priority: JP 22157405 2022.09.30
- Main IPC: G01N33/574
- IPC: G01N33/574 ; C07D209/42 ; G01N33/96
Abstract:
A stable isotope-labeled indole carboxylic acid compound represented by Formula (I) is provided. In Formula (I), X1 to X8 are each independently C or 13C; Y is N or 15N; M is H, Na, K, Li, CH3, or C2H5; R1 is H or D; R2 is H, CH3, 13CH3, C2H5, or 13C2H5; R3 is H, CH3, 13CH3, C2H5, or 13C2H5; R4 is H or D; and R5 is H or D.
Information query
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