Synonyms: (5Z)-2-amino-5-[(4-hydroxy-3,5-ditert-butyl-phenyl)methylidene]-1,3-thiazol-4-one; methanesulfonic acid;(Z)-2-Amino-5-((3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl)methylene)-4(5H)-thiazolone monomethanesulfonate (salt);CI 1004;5-((Z)-3,5-Di-tert-butyl-4-hydroxybenzylidene)-2-imino-4-thiazolidinone monomethanesulfonate (salt);CI-1004;4(5H)-Thiazolone,2-amino-5-[[3,5-bis(1,1- dimethylethyl)-4-hydroxyphenyl]methylene]-,(5Z)-,monomethanesulfonate (salt);Darbufelone;5-((3,5-Bis(1,1-dimethylethyl)-4-hydroxyphenyl)methylene)-2-imino-4-thiazolidinone methanesulfonate;(5Z)-2-amino-5-[(3,5-ditert-butyl-4-hydroxyphenyl)methylidene]-1,3-thiazol-4-one; methanesulfonic acid;4(5H)-thiazolone, 2-amino-5-[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methylene]-, (5E)-, methanesulfonate (1:1) (salt);DARBUFELONE MESYLATE;