thumb|230px|Mesylate anion ([[structural formula)]] thumb|230px|Mesylate anion (ball-and-stick model)
thumb|230px|Mesylate anion ([[structural formula)]] thumb|230px|Mesylate anion (ball-and-stick model)
In organosulfur chemistry, a mesylate is any salt or ester of methanesulfonic acid (). In salts, the mesylate is present as the anion. When modifying the international nonproprietary name of a pharmaceutical substance containing the group or anion, the spelling used is sometimes mesilate (as in imatinib mesilate, the mesylate salt of imatinib).
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).