名称:乙酰氨基阿维菌素
介绍:Origin: it is a semo-synthesized product of fermented Avermectin B1.
化学名称：4”-表-乙酰氨基-4” - 脱氧阿维菌素
Chemical name : 4"-epi-4"-deoxy-acetylaminoavermectin B1
分子式和分子量：
Formula and molecular weight
B1a C5OH75NO14=913
B1b C49H73NO14=899
含量：按干燥品计算，B1含量不少于90%
ingredicnts:the purity of B1 is at least 90% in dry product.
