256641-55-1
allyl (4S,8S,9R,10S)-4-[(benzothiazol-2-yl)thiomethyl]-10-[(R)-1-(t-butyldimethylsilyloxy)ethyl]-11-oxo-azatricyclo[7.2.0.03,8]undec-2-ene-2-carboxylate
299178-06-6
allyl (4S,8S,9R,10S)-4-[[1,2-bis(allyloxycarbonyl)guanidino]methyl]-10-[(R)-1-hydroxyethyl]-11-oxo-azatricyclo[7.2.0.03,8]undec-2-ene-2-carboxylate
299177-94-9
allyl (4S,8S,9R,10S)-4-(N,N-bis(allyloxycarbonyl)aminomethyl)-10-[(R)-1-(t-butyldimethylsilyloxy)ethyl]-11-oxo-azatricyclo[7.2.0.03,8]undec-2-ene-2-carboxylate
299178-05-5
allyl (4S,8S,9R,10S)-4-[[1,2-bis(allyloxycarbonyl)guanidino]methyl]-10-[(R)-1-(t-butyldimethylsilyloxy)ethyl]-11-oxo-azatricyclo[7.2.0.03,8]undec-2-ene-2-carboxylate