In {TAIL ~ an inert atmosphere}, {HEAD ~ e.g., nitrogen}, the dye is first reduced with sodium dithionite and then acylated with an appropriate acid chloride, e.g., p benzoyl chloride 
In
In { TAIL ~ an inert atmosphere } , { HEAD ~ e.g. , nitrogen } , the dye is first reduced with sodium dithionite and then acylated with an appropriate acid chloride , e.g. , p benzoyl chloride
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH