1',3',3'-Trimethyl-6-nitrospiro[2H-1-benzopyran-2,2'-indoline] 1,3,3-Trimethyl-6'-nitroindoline-2-spiro-2'-benzopyran 1498-88-0 6'-Nitro-1,3,3-trimethylindolinobenzopyrylspiran NSC206176 Spiro(2H-1-benzopyran-2,2'-indoline), 6-nitro-1',3',3'-trimethyl- Spiro[2H-1-benzopyran-2,2'-[2H]indole], 1',3'-dihydro-1',3',3'-trimethyl-6-nitro- Spiro[2H-1-benzopyran-2,2'-indoline], 1',3',3'-trimethyl-6-nitro- WLN: T66 BOXJ HNW C-& CT56 BNX DHJ B1 D1 D1