(S)-2-({(2S,3S,6S)-6-[((R)-2-tert-Butoxycarbonylamino-3-tert-butyldisulfanyl-propionylamino)-methyl]-3-hydroxy-tetrahydro-pyran-2-carbonyl}-amino)-4-methyl-pentanoic acid methyl ester

(S)-2-[((2S,3S,6S)-6-{[(R)-3-tert-Butyldisulfanyl-2-(2-hexadecanoylamino-acetylamino)-propionylamino]-methyl}-3-hydroxy-tetrahydro-pyran-2-carbonyl)-amino]-4-methyl-pentanoic acid

(S)-2-[((2S,3S,6S)-6-{[(R)-3-tert-Butyldisulfanyl-2-(4-hexadecanoylamino-butyrylamino)-propionylamino]-methyl}-3-hydroxy-tetrahydro-pyran-2-carbonyl)-amino]-4-methyl-pentanoic acid methyl ester

(S)-2-({(2S,3S,6S)-6-[((R)-3-tert-Butyldisulfanyl-2-hexadecanoylamino-propionylamino)-methyl]-3-hydroxy-tetrahydro-pyran-2-carbonyl}-amino)-4-methyl-pentanoic acid methyl ester

(S)-2-({(2S,3S,6S)-6-[((R)-3-tert-Butyldisulfanyl-2-dodecanoylamino-propionylamino)-methyl]-3-hydroxy-tetrahydro-pyran-2-carbonyl}-amino)-4-methyl-pentanoic acid

(S)-2-[((2S,3S,6S)-6-{[(R)-3-tert-Butyldisulfanyl-2-(4-hexadecanoylamino-butyrylamino)-propionylamino]-methyl}-3-hydroxy-tetrahydro-pyran-2-carbonyl)-amino]-4-methyl-pentanoic acid

(S)-2-[((2S,3S,6S)-6-{[(R)-3-tert-Butyldisulfanyl-2-(2-dodecanoylamino-acetylamino)-propionylamino]-methyl}-3-hydroxy-tetrahydro-pyran-2-carbonyl)-amino]-4-methyl-pentanoic acid methyl ester

(S)-2-[((2S,3S,6S)-6-{[(R)-3-tert-Butyldisulfanyl-2-(2-dodecanoylamino-acetylamino)-propionylamino]-methyl}-3-hydroxy-tetrahydro-pyran-2-carbonyl)-amino]-4-methyl-pentanoic acid

(S)-2-[((2S,3S,6S)-6-{[(R)-3-tert-Butyldisulfanyl-2-(4-dodecanoylamino-butyrylamino)-propionylamino]-methyl}-3-hydroxy-tetrahydro-pyran-2-carbonyl)-amino]-4-methyl-pentanoic acid

(S)-2-[((2S,3S,6S)-6-{[(R)-3-tert-Butyldisulfanyl-2-(2-hexadecanoylamino-acetylamino)-propionylamino]-methyl}-3-hydroxy-tetrahydro-pyran-2-carbonyl)-amino]-4-methyl-pentanoic acid methyl ester

(S)-2-({(2S,3S,6S)-6-[((R)-3-tert-Butyldisulfanyl-2-hexadecanoylamino-propionylamino)-methyl]-3-hydroxy-tetrahydro-pyran-2-carbonyl}-amino)-4-methyl-pentanoic acid

(S)-2-({(2S,3S,6S)-6-[((R)-3-tert-Butyldisulfanyl-2-dodecanoylamino-propionylamino)-methyl]-3-hydroxy-tetrahydro-pyran-2-carbonyl}-amino)-4-methyl-pentanoic acid methyl ester

(S)-2-[((2S,3S,6S)-6-{[(R)-2-(2-tert-Butoxycarbonylamino-acetylamino)-3-tert-butyldisulfanyl-propionylamino]-methyl}-3-hydroxy-tetrahydro-pyran-2-carbonyl)-amino]-4-methyl-pentanoic acid methyl ester

(S)-2-[((2S,3S,6S)-6-{[(R)-3-tert-Butyldisulfanyl-2-(4-dodecanoylamino-butyrylamino)-propionylamino]-methyl}-3-hydroxy-tetrahydro-pyran-2-carbonyl)-amino]-4-methyl-pentanoic acid methyl ester

(S)-2-[((2S,3S,6S)-6-{[(R)-2-(4-tert-Butoxycarbonylamino-butyrylamino)-3-tert-butyldisulfanyl-propionylamino]-methyl}-3-hydroxy-tetrahydro-pyran-2-carbonyl)-amino]-4-methyl-pentanoic acid methyl ester