142741-72-8 4-Nitrophenyl myo-inositol-1-phosphate 4-Nitrophenyl myo-inositol-1-phosphate monoammonium salt DL-myo-Inositol, 1-(4-nitrophenyl hydrogen phosphate), monoammonium salt Myo-inositol 1-(4-nitrophenyl hydrogen phosphate) NPIP