上游原料
Benzyloxycarbonyl chloride; Benzyl chloroformate; 1-[[(Chlorocarbonyl)oxy]methyl]benzene3-methoxy-2-methyl-4-(methylamino)-29-oxa-1,7,17-triazaoctacyclo[12.12.2.1(2,6).0(7,28).0(8,13).0(15,19).0(20,27).0(21,26)]nonacosa-8,10,12,14,19,21,23,25,27-nonaen-16-onebenzyl 3-methoxy-2-methyl-16-oxo-29-oxa-1,7,17-triazaoctacyclo[12.12.2.1(2,6).0(7,28).0(8,13).0(15,19).0(20,27).0(21,26)]nonacosa-8,10,12,14,19,21,23,25,27-nonaen-4-yl(methyl)carbamatebenzyl 3-methoxy-2,17-dimethyl-16-oxo-29-oxa-1,7,17-triazaoctacyclo[12.12.2.1(2,6).0(7,28).0(8,13).0(15,19).0(20,27).0(21,26)]nonacosa-8,10,12,14,19,21,23,25,27-nonaen-4-yl(methyl)carbamate