dl-丙氨酸|dl-alanine|302-72-7|alfa|99%||5000g
四乙基碘化铵|tetraethylammonium iodide|68-05-3|alfa|98 %||50g
溴甲酚绿钠|bromocresol green|62625-32-5|alfa|||25g
2,3,4,5,6-五氟苯腈|pentafluorobenzonitrile|773-82-0|alfa|98%||25
三氯异氰尿酸|trichloroisocyanuric acid|87-90-1|alfa|97%||500g