beta-[H2N(CH2)2NH2]0.5[ZnHPO3], a second modification of ethylenediamine zinc hydrogen phosphite.
Gordon LE, Harrison WT. beta-[H2N(CH2)2NH2]0.5[ZnHPO3], a second modification of ethylenediamine zinc hydrogen phosphite. Acta Crystallogr C. 2004 Dec; 60(Pt 12):m637-9.