structural formula business number 01tb molecular formula c11h13n3o molecular weight 203.24 label 1,5-dimethyl-2-phenyl-4-amino-3-pyrazolone, 4-amino-1,2-dihydro-1,5-dimethyl-2-phenyl-3h-pyrazol-3-one, 4-amino-2,3-dimethyl-1-phenylpyrazolone-[5], 4-aminoantipyrine crystal, 4-aminoantipyraline, 4-aminoantipyrine, 1,5-dimethyl-2-phenyl-4-aminopyrazoline, 4-amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one, ampyrone numbering system physical property data toxicological data ecological data molecular structure data computing chemical data more properties and stability storage method synthesis method purpose numbering system cas number:83-07-8 mdl number:mfcd00003145 einecs number:201-452-3 rtecs...