H Hyaluronic Acid透明质酸
h-acidh酸
H-Acid sodium saltH酸单钠盐
H Methacrylic acid impurity H甲基丙烯酸
H Acetylsalicylic acid impurity H邻乙酰水杨酸
H Valeric acid impurity H正戊酸
H Trifluoroacetic acid impurity H三氟乙酸
H Nicotinic acid impurity H烟酸
H Nalidixic acid impurity H萘啶酸