BENGAMIDE A D-gulo-Non-6-enonamide, 6,7,8,9-tetradeoxy-N-[(3S,6S)-hexahydro-2-oxo- 6-[(1-oxotetradecyl)oxy]-1H-azepin-3-yl]-8-methyl-2-O-methyl-, (6E)- D-gulo-Non-6-enonamide, 6,7,8,9-tetradeoxy-N-[hexahydro-2-oxo- 6-[(1-oxotetradecyl)oxy]-1H-azepin-3-yl]- 8-methyl-2-O-methyl-, [1(3S,6S),6E]- NSC613012