CCOP(=O)(OCC)C(=C1C=C(C(C)(C)C)C(=O)C(C(C)(C)C)=C1)P(=O)(OCC)OCC
The donor in a hydrogen bond is usually a strongly electronegative atom such as N, O, or F that is covalently bonded to a hydrogen bond. How many hydrogen bond donors does the molecule have?