英文别名Washington State Probe-1; Benzoic acid, 2-(2-pyridinyldithio)-, 6'-methoxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3'-yl ester; 3'-methoxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-6'-yl 2-(pyridin-2-yldisulfanyl)benzoate; 6'-Methoxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-3'-yl 2-(2-pyridinyldisulfanyl)benzoate 
