A subclass of @P04734@ having an octahydrotetracene-2-carboxamide skeleton, substituted with many hydroxy and other groups, e.g. chlortetracycline:
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Source: PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1371 [Terms] [Paper]