Synonyms: Spirilloxanthin;Rhodoviolascin;NSC633983;Extracted from bacteria;34255-08-8;Bacterial extract;AC1NSNOI;CPD-12615;LMPR01070122;C15881;(3E,3'E)-1,1'-Dimethoxy-3,3',4,4'-tetradehydro-1,1',2,2'-tetrahydro-psi,psi-carotene;.psi.,.psi.-Carotene, 3,3',4,4'-tetradehydro-1,1',2,2'-tetrahydro-1,1'-dimethoxy-;psi,psi-Carotene, 3,3',4,4'-tetradehydro-1,1',2,2'-tetrahydro-1,1'-dimethoxy-;(4E,6E,8E,10E,12E,14E,16E,18E,20E,22E,24E,26E,28E)-2,31-dimethoxy-2,6,10,14,19,23,27,31-octamethyldotriaconta-4,6,8,10,12,14,16,18,20,22,24,26,28-tridecaene