124485-98-9 Pyridinium, 2-(((2-amino-3-ethoxy-3-oxopropyl)dithio)methyl)-4-methoxy-3-methyl-1-(1,5,6,7-tetrahydro-5,5,7,7-tetramethyl-6-oxoindeno(5,6-d)imidazol-2-yl)-, chloride, (R)-