"C18H22N2O5S"^^ . "05T9139TJW"^^ . "Isopropicillin"^^ . "Isopropicillin"^^ . "C83846"^^ . . . "IsopropicillinPTNCI" . . "4780-24-9"^^ . "FDA"^^ . "(2S,5beta)-3,3-Dimethyl-6alpha-[(2-methyl-1-oxo-2-phenoxypropyl)amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2beta-carboxylic acidSNNCI" . "ISOPROPICILLINPTFDA05T9139TJW" . "Alpha-phenoxyisopropylpenicillinSYNCI" . "L-33332CNNCI" . "Pharmacologic Substance"^^ . "C2827219"^^ .