10539-37-4 Diethyl N-amidinophosphoramidothionate N-Amidinophosphoramidothioic acid O,O-diethyl ester NSC95203 Phosphoramidothioic acid, N-amidino-, O,O-diethyl ester Phosphoramidothioic acid, amidino-, O,O-diethyl ester WLN: MUYZMPS&O2&O2