Lincomycin hydrochloride859-18-7100 % similar Lincomycin hydrochloride monohydrate7179-49-995 % similar Lincomycin154-21-295 % similar Clindamycin hydrochloride21462-39-582 % similar Clindamycin18323-44-977 % similar Clindamycin palmitate hydrochloride25507-04-462 % similar Clindamycin phosphate24729-96-261 % similar 7-Epi-clindamycin16684-06-354 % similar Clindamycin 2,4-diphosphate1309048-48-342 % similar Lincomycin ep impurity B37744-65-338 % similar