[
    {
        "medium_id": 2,
        "compound": "Urea",
        "g_l": 20,
        "mmol_l": 333.023,
        "optional": "no"
    },
    {
        "medium_id": 2,
        "compound": "Agar",
        "g_l": 15,
        "mmol_l": 44.5991,
        "optional": "no"
    },
    {
        "medium_id": 2,
        "compound": "Peptone",
        "g_l": 5,
        "mmol_l": null,
        "optional": "no"
    },
    {
        "medium_id": 2,
        "compound": "Meat extract",
        "g_l": 3,
        "mmol_l": null,
        "optional": "no"
    },
    {
        "medium_id": 2,
        "compound": "Distilled water",
        "g_l": null,
        "mmol_l": null,
        "optional": "no"
    }
]