Step 7. Enclose in parentheses
7. Enclose the OR’d terms inside parentheses.
These steps have been completed in the omacetaxine example search below:
(Omacetaxine OR 26833-87-4 OR Ceflatonin OR CGX-635 OR CGX635 OR “CGX 635” OR HHT OR Homoharringtonine OR NSC-141633 OR NSC141633 OR “NSC 141633” OR omacetaxina OR Omacetaxini OR Chuan-Shan-Ning OR Fu-Er OR Gao-Rui-Te OR Hua-Pu-Le OR Jin-Nuo-Xing OR Sai-Lan OR Wo-Ting OR Synribo )
