InChI=1/C9H15N2O3PS/c1-3-13-15(12,14-4-2)8(7-10)9-11-5-6-16-9/h11H,3-6H2,1-2H3/b9-8 diethyl [(Z)-cyano(1,3-thiazolidin-2-ylidene)methyl]phosphonate phosphonic acid, [(Z)-cyano-2-thiazolidinylidenemethyl]-, diethyl ester