Synonyms: 3,5-Pyridinedicarboxylicacid, 1,4-dihydro-2,4,6-trimethyl-,2-(1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)ethyl ethyl ester (9CI);3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,4,6-trimethyl-, ethyl2-(3-oxo-1,2-benzisothiazol-2(3H)-yl)ethyl ester, S,S-dioxide; PCA 4230; Trombodipine