69436-23-3 ALANINE, N-(N-(3-AMINO-3,3-DIPHOSPHONOPROPYL)GLYCYL)-, DIHYDRATE L-Alanine, N-(N-(3-amino-3,3-diphosphonopropyl)glycyl)- N-(N-(3-Amino-3,3-diphosphonopropyl)glycyl)alanine N-(alpha-Aminopropylidene-alpha,alpha-diphosphono)glycylalanine