邻苯二酚紫 [分化] Pyrocatechol violet ; Catechol violet ; Pyrocatechol ; Py

邻苯二酚紫(PV) Pyrocatechol violet-PV

去磺化邻苯二酚紫 de sulfonated pyrocatechol violet

间苯二酚结晶紫 RESORCIN CRYSTAL VIOLET