AICA ribonucleotide [ ZMP,4-carboxy-5-aminoimidazole ribotide,5'-phosphoribosyl-5-amino-4-imidazolecarboxamide,5-amino-1-beta-D-ribofuranosylimidazole-4-carboxamide monophosphate,5-amino-4-imidazolecarboxamide ribofuranoside 5'-monophosphate,AICA ribonucleotide, (D-ribofuranosyl)-isomer,AICAR,AICAriboside 5'-monophosphate,CAIR,Z-nucleotide,aminoimidazole carboxamide ribonucleotide ] RN given refers to beta-D-ribofuranosyl isomer; purine precursor; has antineoplastic activity; AICAR is also used as an abbreviation for AICA riboside