4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-iodo-3,3-dimethyl-7-oxo-, (2S-(2alpha,5alpha,6beta))- 6-beta-Iodopenicillanic acid 6-iodopenicillanic acid 6beta-Iodopenicillanate 74772-32-0 UK-38,006