Tigecycline Pentacyclic Analog Tigecycline Impurity 5 (1S,4aR,4bR,10aR)-7-(2-(tert-butylamino)acetamido)- Tigecycline Impurity H Tigecycline Impurity 35 1,4b-Methano-4bH-benzo[b]fluorene-3-carboxamide, 9-(dimethylamino)-7-[[2-[(1,1-dimethylethyl)amino]acetyl]amino]-1,2,4a,5,10,10a,11,11a-octahydro-1,4,4a,6-tetrahydroxy-2,5,12-trioxo-, (1S,4aR,4bR,10aR,11aS)- Tigecycline Impurity 7 Tigecycline USP Related Compound G