[
    {
        "medium_id": "J51",
        "compound": "Yeast extract",
        "g_l": 1,
        "mmol_l": null,
        "optional": "no"
    },
    {
        "medium_id": "J51",
        "compound": "Oatmeal agar",
        "g_l": null,
        "mmol_l": null,
        "optional": "no"
    }
]