1485-92-3

Trimethylindolinobenzopyrylospiran 1,3,3-TRIMETHYLINDOLINOBENZOPYRYLOSPIRAN 1,3,3-Trimethylindolinobenzopyrylospirane 1',3',3'-trimethylspiro[chromene-2,2'-indole] 1',3',3'-trimethylspiro[chromene-2,2'-indoline] 1,3,3-Trimethylspiro[indoline-2,2'-[2H-1]benzopyran] 1,3,3-Trimethylspiro[indoline-2,2'-[2H][1]benzopyran] 1',3',3'-TRIMETHYLSPIRO[1(2H)-BENZOPYRAN-2,2'-INDOLINE] 1,3,3-Trimethylspiro[1H-indole-2(3H),2'-[2H-1]benzopyran] 1,3,3-Trimethylindolinobenzopyrylospiran [Photochromic Compound] 1,3,3-Trimethyl-1,3-dihydrospiro[2H-indole-2,2'-[2H][1]benzopyran] 1’,3’-dihydro-1’,3’,3’-trimethyl-spiro[2h-1-benzopyran-2’-[2h]indole] 1,3,3-TRIMETHYLINDOLINOBENZOPYRYLOSPIRAN [PHOTOCHROMIC COMPOUND] 99+% 1',3'-Dihydro-1',3',3'-trimethylspiro[2H-1-benzopyran-2,2'-[2H]indole]