替加环素USP杂质A; 替吉环素USP相关化合物A; 替加环素EP杂质D(替加环素开环); 替加环素杂质; 替加环素杂质(开环); rel-N-((7R,8S)-3-(2-(tert-Butylamino)acetamido)-7-(4-carbamoyl-2-(dimethylamino)-3,5,6-trihydroxybenzyl)-6-carboxy-5,8-dihydroxy-4-oxo-7,8-dihydronaphthalen-1(4H)-ylidene)-N-methylmethanaminium; Tigecycline USP Related Compound A; Tigecycline impurity; Tigecycline USP Impurity A; Tigecycline Open Ring Impurity; Tigecycline Open Ring Impurity 1; Tigecycline EP Impurity D(Tigecycline open ring)