disodium 、
草甘膦 、
环丁烷四甲酸二酐 、 、
水 以to yield N-carboxymethyl-N-phosphonomethyl-2,3,4-tricarboxycyclobutanecarboxamide (in the monohydrate form) as a cream colored brittle foam的产率得到4-(Carboxymethyl-phosphonomethyl-carbamoyl)-cyclobutane-1,2,3-tricarboxylic acid