Diltiazem hydrochloride

地尔硫 盐酸盐

DL-Tryptophan

(±)-α-Amino-3-indolepropionic acid

Epinastine Hydrochloride

盐酸依匹斯汀 盐酸盐

Flunixin impurity C

Folic acid impurity D

蝶酸

布洛芬杂质F, Ibuprofen impurity F

异丙托溴铵杂质A, Ipratropium impurity A

Ketorolac trometamol for peak identification

氨丁三醇

trans-4-(4-Chlorophenyl)-4-hydroxy-N,N-dimethyl-α,α-diphenyl-1-piperidinebutanamide 1-oxide monohydrate, Loperamide oxide monohydrate

甲氨蝶呤杂质D, Methotrexate impurity D