Ethoxylated propoxylated phenol Ethylene oxide-propylene oxide copolymer monophenyl ether Oxirane, 2-methyl-, polymer with oxirane, monophenyl ether Oxirane, methyl-, polymer with oxirane, monophenyl ether Oxirane, polymer with methyloxirane, monophenyl ether PH 4E.P Polyethylene-polypropylene glycol phenyl ether Polyoxyethylene-polyoxypropylene copolymer phenyl ether