113658-85-8 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,4,6-trimethyl-, ethyl 2-(3-oxo-1,2-benzisothiazol-2(3H)-yl)ethyl ester, S,S-dioxide BRN 6547524 Pca 4230 Trombodipine