Noracine phosphonate, Norleucine phenyl phosphonate analog 1, Diphenyl [1-(1-N-Succinylamino)pentyl]phosphonate, Phosphonate transition state analog (hapten)
The original antibody was generated by immunizing Balb/c mice with the KLH conjugate of hapten 5 (norleucine phenyl phosphonate analog 1, Diphenyl [1-(1-N-Succinylamino)pentyl]phosphonate).