氨基葡糖

ān jī pú táng

glucosamine (abbr. for 氨基葡萄糖[an1 ji1 pu2 tao5 tang2])

ān

ammonia

(bound form) base; foundation

abbr. for 葡萄牙[Pu2 tao2 ya2]

táng

old variant of 糖[tang2]