CREATE TABLE table_11379 ("Chemical class" CLOB, "Group" CLOB, "Formula" CLOB, "Prefix" CLOB, "Suffix" CLOB, "Example" CLOB)

Which Formula has a Prefix of alkyl-?
SELECT "Formula" FROM table_11379 WHERE "Prefix" = 'alkyl-'
SELECT "Formula" FROM "table_11379" WHERE "Prefix" = 'alkyl-'