Urine test use crime in Japan

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I think the conversion in the body is THC → 10-OH-THC → THC-COOH.

Does it change from HHCP→10-OH-HHCP→HHC-COOH?

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https://analyticalsciencejournals.onlinelibrary.wiley.com/doi/full/10.1002/dta.3570

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thank you !!! You’re the best