青霉素G标准品 Benzathine penicilline G tetrahydrate,0.1g C10532500
青霉素G标准品 Benzathine penicilline G tetrahydrate,0.1g C10532500
氘代氯霉素标准品 Chloramphenicol (D5,98%), 100 ng/μl 乙腈溶液, 1 ml XA11120100AC
金霉素标准品 Chlorotetracycline hydrochloride, 0.25 g C11509100