IUPAC:1'-(diphenylmethyl)-5'-hydroxy-3'-(2-methoxyethyl)-1',3',4',6'-tetrahydrospiro[cyclohexane-1,2'-pyrido[2,1-f][1,2,4]triazine]-4',6'-dione
IUPAC:1'-(diphenylmethyl)-5'-hydroxy-3'-(2-methoxyethyl)-1',3',4',6'-tetrahydrospiro[cyclohexane-1,2'-pyrido[2,1-f][1,2,4]triazine]-4',6'-dione