Fill the blank spaces to complete the text.
Give the generic for the following brand name drugs. Do not capitalize or include the salt form. Separate drug names with the word 'and' if needed.
1.Symbicort 1.
2. Advair 2.
3. Singulair 3.
4. Phenergan 4.
5. Augmentin 5.
6. Ceftin 6.