ameroxol LE-23 brij 23 brij 35P brij L23 brij L23-25 britex L 230 chemal LA 23 2- dodecoxyethanol (peg-23) emulgen 123P ethosperse LA 23 lipocol L-23 macol LA-23 peg-23 lauryl ether poly(oxy-1,2-ethanediyl), .alpha.-dodecyl-.omega.-hydroxy- (23 mol EO average molar ratio) polyethylene glycol (23) lauryl ether polyethylene glycol (23) monolauryl ether polyoxyethylene (23) lauryl ether polyoxyethylene (23) monolauryl ether simulsol P 23 volpo L 23 CAS:9002-92-0