(2-Aminoethyl)phosphonic acid2041-14-7100 % similar 3-Aminopropylphosphonic acid13138-33-571 % similar Aminomethylphosphonic acid1066-51-952 % similar Propylphosphonic acid4672-38-250 % similar Ethephon16672-87-048 % similar Medronic acid1984-15-245 % similar (3-Bromopropyl)phosphonic acid1190-09-644 % similar Tetradecylphosphonic acid4671-75-441 % similar Hexylphosphonic acid4721-24-841 % similar Octadecylphosphonic acid4724-47-441 % similar Octylphosphonic acid4724-48-541 % similar 3-Phosphonopropionic acid5962-42-541 % similar ATMP6419-19-839 % similar Ethylphosphonic acid6779-09-539 % similar 2-Amino-4-phosphonobutanoic acid20263-07-439 % similar (2S)-2-Amino-4-phosphonobutanoic acid23052-81-539 % similar Phosphorylethanolamine1071-23-437 % similar Ap576326-31-336 % similar EDTMP1429-50-136 % similar DTPMP15827-60-835 % similar