2-Benzhydryloxycarbonyl-7-t-butoxycarbonylamino-3-{2-[(2-methyl-1,3,4-thiadiazol-5-yl)-thio]-prop-1-en-1-yl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-5-oxide (HCID 70485794)|Huagongshe