2-(3-diphenylmethoxy-4-pyridon-1-yl)-4-hydroxybutyric acid, sodium salt
p-Methoxybenzyl 7-<(Z)-2-(2-tritylaminothiazol-4-yl)-2-(1-diphenylmethoxycarbonyl-1-methyl)ethoxyiminoacetamido>-3-(3-diphenylmethoxy-4-pyridon-1-yl)-3-cephem-4-carboxylate
p-methoxybenzyl 7-<(Z)-2-(2-tritylaminothiazol-4-yl)-2-(2-(3-diphenylmethoxy-4-pyridon-1-yl)ethoxyimino)acetamido>-3-(1,2,3-thiadiazol-5-yl)thiomethyl-3-cephem-4-carboxylate
(Z)-2-(2-tritylaminothiazol-4-yl)-2-<3-(3-diphenylmethoxy-4-pyridon-1-yl)-3-diphenylmethoxycarbonylpropoxyimino>acetic acid
(Z)-2-(2-tritylaminothiazol-4-yl)-2-<2-(3-diphenylmethoxy-4-pyridon-1-yl)-1-diphenylmethoxycarbonylethoxyimino>acetic acid