67977-61-1

Diphenylmethyl (2R)-3-methyl-2-[(1R,5S)-3-phenyl-7-oxo-4-oxa-2,6-diazabicyclo[3,2 (R)-Benzhydryl 3-Methyl-2-((1R,5S)-7-oxo-3-phenyl-4-oxa-2,6-diazabicyclo[3.2.0]hept-2-en-6-yl)but-3-enoate benzhydryl (R)-3-methyl-2-((1R,5S)-7-oxo-3-phenyl-4-oxa-2,6-diazabicyclo[3.2.0]hept-2-en-6-yl)but-3-enoate Diphenylmethyl (2R)-3-methyl-2-[(1R,5S)-3-phenyl-7-oxo-4-oxa-2,6-diazabicyclo[3,2,0]hept-2-en-6-yl]-3-butenoate 4-Oxa-2,6-diazabicyclo[3.2.0]hept-2-ene-6-acetic acid, α-(1-methylethenyl)-7-oxo-3-phenyl-, diphenylmethyl ester, (αR,1R,5S)- 4-oxa-2,6-diazabicyclo[3.2.0]hept-2-ene-6-acetic acid, α-(1-Methylethenyl)-7-oxo-3-phenyl-, diphenylMethyl ester, [1R-[1α,5α,6(R*)]]- (9CI)