Product Name:1',3'-Dihydro-1',3',3'-Trimethyl-6-Nitro-Spiro[2H-1-Benzopyran-2,2'-[2H]Indole] Synonyms:1',3',3'-Trimethyl-6-Nitro-Spiro[Chromene-2,2'-Indoline]; 1',3',3'-Trimethyl-6-Nitrospiro[Chromene-2,2'-Indoline]; 1',3',3'-Trimethyl-6-Nitro-Spiro[Chromene-2,2'-Indole] CAS Number:1498-88-0 Molecular Formula:C19H18N2O3 Molecular Weight:322.36 MP:178C Appearance Color:Light yellow