Merthiolate

I couldn’t read big words but knew it wasn’t Merthiolate when I didn’t jump in pain when she applied the liquid from the little brown bottle.

In addition, the U.S. government had recommended at the last minute before the trial that Merthiolate be added to the vaccine.

The preservatives, 'Merthiolate' and formalin, were used in an attempt to inhibit the autolytic action of the enzymes present.