Possible Clues:

• Your doctor has got to fifty for antiseptic
• Some frothy molecular substance used as antiseptic
• Antiseptic used by filthy molecatchers
• Antiseptic my lot distributed around hospital
• Formerly your second pound offered for antiseptic
• Abandoned your standard amount of chemical antiseptic
• Your gangster's mistress, by the sound of it, sounds as if she's in time