text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_name_72 (formula VARCHAR, prefix VARCHAR)
  ### Question:
  Which Formula has a Prefix of alkyl-?
  ### Answer:
  SELECT formula FROM table_name_72 WHERE prefix = "alkyl-"