Sub Group: Nucleotides and Nucleosides Alphabetic Listing Catalog Number: 6693 Formula: C18H18N4 CAS Number: 221243-34-1 Molecular Weight: 290.36 Synonyms: 5-Amino-1-(1,1-dimethylethyl)-3-(1-naphthalenyl)-1H-pyrazole-4-carbonitrile 5-Amino-1-(tert-butyyl)