ACYLATED LAIDLOMYCIN DERIVATIVES,THEIR PREPARATION AND COMPOSITIONS

摘要

Compounds represented by the formula wherein R<1> is an aliphatic or alicyclic hydrocarbon acyl group of two to eighteen carbon atoms and R<2> is an alkali metal cation or hydrogen are useful for increasing the feed efficiency of ruminants and for treating coccidiosis in domestic animals, especially chickens.