COC(=O)c1ccccc1C(=O)OCCOCCOC(=O)c1ccccc1C(=O)OCCOCCOC(=O)c1ccccc1C(=O)OCCOCCOC(=O)c1ccccc1C(=O)OCCOCCOC(=O)c1ccccc1C(=O)OCCOCCO	methyl-terminated / hydroxy-terminated oligo(diethylene glycol phthalate)