polidocanol sclerosant drug molecule. used in treatment of varicose veins

polidocanol docanol polydocanol anaesthetic antipruritic ointment itch itching eczema sclerosant varicose veins fibrosis reticular blood vessel hydrogen carbon oxygen disease drug therapy medicine medicinal product pharmacology pharmacy pharmaceutical pharma treatment generic molecule atoms chemical chemistry composition atomic model molecular compound bond structure formula circle ring line drawing skeletal