142518-72-7 Calicheamicin T Carbamic acid, (8-((4,6-dideoxy-2-O-(2,4-dideoxy-4-(ethylamino)-3-O-methyl-alpha-L-threo-pentopyranosyl)-4-(hydroxyamino)-beta-D-glucopyranosyl)oxy)-1-hydroxy-13-(2-(methyltrithio)ethylidene)-11-oxobicyclo(7.3.1)trideca-4,9-diene-2,6-diyn-10-yl)-, methyl ester, (1S-(1R*,4Z,8S*,13E))- Methyl (1S-(1R*,4Z,8S*,13E))-(8-((4,6-dideoxy-2-O-(2,4-dideoxy-4-(ethylamino)-3-O-methyl-alpha-L-threo-pentopyranosyl)-4-(hydroxyamino)-beta-D-glucopyranosyl)oxy)-1-hydroxy-13-(2-(methyltrithio)ethylidene)-11-oxobicyclo(7.3.1)trideca-4,9-diene-2,6-diyn-10-yl)carbamate