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                    "13MU",
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                "description": "14C modified aminopyrine.",
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                        "label": "aminophenazone",
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                "description": "A bile acid glycine conjugate having cholic acid as the bile acid component.",
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                "dtype": "undefined",
                "description": "14C modified erythromycin.",
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                        "relation": "BQB_IS_VERSION_OF",
                        "term": "CHEBI:48923",
                        "collection": "chebi",
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                "description": "Metabolite of midazolam.",
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