Synonyms:
1,3,3-trimethyl-6'-(piperidin-1-yl)spiro[indoline-2,3'-naphtho[2,1-b][1,4]oxazine] ; technocolor purple 3 ; 1,3,3-trimethylindolino-6'-(1-piperidinyl)spironaphthoxazine ; 1,3-dihydro-1,3,3-trimethyl-6'-(1-piperidinyl)spiro[2h-indole-2,3'-[3h]naphth[2,1-b][1,4]oxazine] ; spiro[2h-indole-2,3'-[3h]naphth[2,1-b][1,4]oxazine],1,3-dihydro-1,3,3-trimethyl-6'-(1-piperidinyl)-