L-Valine 2-[3-[(5R,6R,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinyl]ethyl ester

N-[(Phenylmethoxy)carbonyl]-L-valine 2-[3-[(5R,6R,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinyl]ethyl ester

1-[(5R,6R,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3-(2-hydroxyethyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

L-Glutamic acid, N-[[3-[(5R,6R,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinyl]acetyl]-

L-Aspartic acid, N-[[3-[(5R,6R,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinyl]acetyl]-

L-Valine, N-[[3-[(5R,6R,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinyl]acetyl]-

L-Alanine, N-[[3-[(5R,6R,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinyl]acetyl]-

L-Glutamic acid, N-[[3-[(5R,6R,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinyl]acetyl]-, bis(phenylmethyl) ester

L-Aspartic acid, N-[[3-[(5R,6R,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinyl]acetyl]-, bis(phenylmethyl) ester

L-Valine, N-[[3-[(5R,6R,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinyl]acetyl]-, phenylmethyl ester

L-Alanine, N-[[3-[(5R,6R,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinyl]acetyl]-, phenylmethyl ester

L-Alanine, N-[[3-[(5R,6R,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinyl]acetyl]-, methyl ester

3-[(5R,6R,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidineacetic acid

Phenylmethyl 3-[(5R,6R,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidineacetate

(2S,3S,5R)-3-(Acetyloxy)-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-2-(phenylseleno)-2-furancarboxaldehyde

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-4′-C-(2,2-dimethyl-1-oxopropyl)-, 3′-(hydrogen butanedioate)

Guanosine, cyclic 3′,5′-[(7-methoxy-2-oxo-2H-1-benzopyran-4-yl)methyl phosphate]