英文同义词: | 1-(3,4-Diphenyl-5-piperidino-thien-2-yl)-3-(2,5-dihydro-3,4-diphenyl-5-piperidin-1-ylidene-onium-thien-2-ylidene)-2-oxo-cyclobuten-4-olate;(4E)-4-(3,4-diphenyl-5-piperidin-1-ium-1-ylidenethiophen-2-ylidene)-2-(3,4-diphenyl-5-piperidin-1-ylthiophen-2-yl)-3-oxocyclobuten-1-olate |