114082-57-4 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-(((((1,5-dihydro-2-(4-methyl-1-piperazinyl)-5-oxopyrido(2,3-d)pyrimidin-6-yl)carbonyl)amino)(4-hydroxyphenyl)acetyl)amino)-3,3-dimethyl-7-oxo-, (2S-(2-alpha,5-alpha,6-beta(S*))), hydrate (1:4)