tricaine methanesulfonate3-Aminobenzoic acid ethyl ester methanesulfonateEthyl m-aminobenzoate methane sulfonateEthyl m-aminobenzoate methanesulfonateEthyl m-aminobenzoate, methanesulfonic acid saltMS-222TS 222TricaineTricaine mesilateTricaine methane sulfonatemetacaine mesylatemetacaine methanesulfonatetricaine mesylate