英文别名(4E)-4-(8-Hydroxy-1,1,7,7-tetramethyl-2,3,6,7-tetrahydro-1H-pyrido[3,2,1-ij]quinolinium-9(5H)-ylidene)-2-(8-hydroxy-1,1,7,7-tetramethyl-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)-3-oxo-1-cyclobuten-1-olate; 2,4-Bis[8-hydroxy-1,1,7,7-tetramethyl-1,2,3,5,6,7-hexahydropyrido[3,2,1-ij]quinoline-9-yl]squaraine; 9,9'-(2,4-Dihydroxycyclobut-3-ene-1,2-diylium-1,3-diyl)bis(1,1,7,7-tetramethyl-1,2,3,5,6,7-hexahydropyrido[3,2,1-ij]quinolin-8-olate) 
