InChI=1/C16H21N2O4PS/c1-4-21-23(20,22-5-2)10-14-15(11(3)19)24-16-17-12-8-6-7-9-13(12)18(14)16/h6-9,14-15H,4-5,10H2,1-3H diethyl [(2-acetyl-2,3-dihydro[1,3]thiazolo[3,2-a]benzimidazol-3-yl)methyl]phosphonate phosphonic acid, [(2-acetyl-2,3-dihydrothiazolo[3,2-a]benzimidazol-3-yl)methyl]-, diethyl ester