英文同义词: | PYROGALLOL RED INDICATOR FOR &;PyrogallolRedGr;Pyrogallol Red, indicator grade, pure;Pyrogallol Red, pure, 98%;Spiro(3H-2,1-benzoxathiole-3,9’(9H)xanthene)-3’,4’,5’,6’-tetrol,1,1-dioxide;spiro[3h-2,1-benzoxathiole-3,9’-[9h]xanthene]-3’,4’,5’,6’-tetrol,1,1-dioxide;PR;PYROGALLOL RED, INDICATOR FOR COMPLEXO-M ETRY |