| lactobionic acid, compd. with erythromycin (1:1) |
| 4-o-beta-d-galactopyranosyl-d-gluconic acid compd. with erythromycin |
| 4-o-beta-d-galactopyranosyl-d-gluconic aci compd. with erythromycin (1:1) |
| erythromycin lactobionate |
| erythromycin mono(4-o-beta-d-galactopyranosyl-d-gluconate) (salt) |
| Erythomycin lactobionate |
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