Synonyms1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indoline]-5',8-diol; (+/-)-1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indoline]-5',8-diol Close 1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indoline]-5',8-diol; (+/-)-1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indoline]-5',8-diol Related products Spiropyran 1 M.F. M.W. 354.36 CAT# AR-S01888 CAS# 1253909-21-5