[
    {
        "medium_id": "J386",
        "compound": "Middlebrook 7H10 agar",
        "g_l": 21.1111,
        "mmol_l": null,
        "optional": "no"
    },
    {
        "medium_id": "J386",
        "compound": "Glycerol",
        "g_l": null,
        "mmol_l": null,
        "optional": "no"
    },
    {
        "medium_id": "J386",
        "compound": "Distilled water",
        "g_l": null,
        "mmol_l": null,
        "optional": "no"
    }
]