1. 1,3,3-三甲基吲哚啉-6'-(1-哌啶基)螺恶嗪;1,3,3-三甲基-6'-(哌啶-1-基)螺[二氢吲哚-2,3'-萘并[2,1-B][1,4]恶嗪

1,3,3-三甲基吲哚啉-6'-(1-哌啶基)螺恶嗪;1,3,3-三甲基-6'-(哌啶-1-基)螺[二氢吲哚-2,3'-萘并[2,1-B][1,4]恶嗪

Technocolor Purple 3 (1,3,3-Trimethylindolino-6'-(1-piperidinyl)spironaphthoxazine)

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