N-2-hydroxymethylchlortetracycline
(2Z,4S,4aS,5aS,6S,12aS)-7-chloro-4-(dimethylamino)-6,10,11,12a-tetrahydroxy-2-{hydroxy[(hydroxymethyl)amino]methylidene}-6-methyl-1,2,3,4,4a,5,5a,6,12,12a-decahydrotetracene-1,3,12-trione