SMILES: CC1([C@@H](N2[C@H](S1)[C@@H](C2=O)N=CN3CCCCCC3)C(=O)OCOC(=O)C(C)(C)C)C
Description: The molecule is a penicillanic acid ester that is the [(2,2-dimethylpropanoyl)oxy]methyl ester and prodrug of mecillinam. It has a role as an antiinfective agent, an antibacterial drug and a prodrug. It is a penicillanic acid ester, a penicillin and a pivaloyloxymethyl ester. It derives from a mecillinam.