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US 4,331,803 AGranted
Novel erythromycin compounds
AssigneeTaisho Pharmaceutical Co., Ltd.
InventorsYoshiaki Watanabe, Shigeo Morimoto, Sadafumi Omura
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Abstract
Novel erythromycin compounds of the formula ##STR1## wherein R.sup.1 is hydrogen or methyl, and a pharmaceutically acceptable salt thereof are disclosed. They exhibit excellent antibacterial activity against Gram-positive bacteria, acid stability and in vivo activity.
Claims3
An erythromycin compound of the formula ##STR5## wherein R.sup.1 is hydrogen or methyl, and a pharmaceutically acceptable salt thereof.
Dependencies are inferred from the claim text.