英文别名
2,2'-Spiro-bis-(3,5-diphenyl-Δ4-1,3,4-thiadiazolin);2.2'-Spiro-bis-<3.5-diphenyl-2.3-dihydro-1.3.4-thiadiazol>;1,3,6,8-tetraphenyl-4,9-dithia-1,2,6,7-tetraaza-spiro[4.4]nona-2,7-diene;2,4,7,9-Tetraphenyl-1,6-dithia-3,4,8,9-tetrazaspiro[4.4]nona-2,7-diene