(4-(Hydroxymethyl)-1,3-dithiolan-2-ylidene)phosphoramidic acid diethyl ester (Hydroxymethyl)ethylene(diethoxyphosphinyl)dithioimidocarbonate 63321-73-3 Aglycone 14a Phosphoramidic acid, (4-(hydroxymethyl)-1,3-dithiolan-2-ylidene)-, diethyl ester