(2016/10/27)
6-O-allylerythromycin A
acetic acid 2-(11-allyloxy-4-ethyl-3a,7,9,11,13,15-hexamethyl-2,6,8,14-tetraoxo-tetradecahydro-3,5-dioxa-1-aza-cyclopentacyclotetradecen-10-yloxy)-4-dimethylamino-6-methyl-tetrahydro-pyran-3-yl ester
acetic acid 2-(11-allyloxy-4-ethyl-8-hydroxy-3a,7,9,11,13,15-hexamethyl-2,6,14-trioxo-tetradecahydro-3,5-dioxa-1-aza-cyclopentacyclotetradecen-10-yloxy)-4-dimethylamino-6-methyl-tetrahydro-pyran-3-yl ester
2',4-O-diacetyl-6-O-allyl-11,12-cyclocarbamate erythromycin A
acetic acid 2-[4-(5-acetoxy-4-methoxy-4,6-dimethyl-tetrahydro-pyran-2-yloxy)-7-allyloxy-14-ethyl-12,13-dihydroxy-3,5,7,9,11,13-hexamethyl-2,10-dioxo-oxacyclotetradec-6-yloxy]-4-dimethylamino-6-methyl-tetrahydro-pyran-3-yl ester