NH4PO3HCH3 and NH4PO3CH2NH3: Two Phosphate Derivatives with Deep-UV Cutoff Edges and Moderate Birefringence | Inorganic Chemistry pubs.acs.org/doi/10.1021/... Liu, Jiang, and co-workers @InorgChem #phosphate #NH4PO3HCH3 #NH4PO3CH2NH3 #deepUV_transmission #birefringence #optical