α-Amino-p-hydroxybenzylpenicillin

6-(α-Amino-p-hydroxyphenylacetamido)penicillanic acid

6-[α-Amino-α-(4-hydroxyphenyl)acetamido]penicillanic acid

4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[2-amino-2-(p-hydroxyphenyl)acetamido]-3,3-dimethyl-7-oxo- (7CI, 8CI)

4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[amino(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-, [2S-(2α,5α,6β)]-