上游原料
Ethyleneimine; Aziridine; Aziraneethyl 5-ethyl-2-piperidinecarboxylate7-ethylhexahydro-2H-pyrido[1,2-a]pyrazin-1(6H)-one7-ethyloctahydro-2H-pyrido[1,2-a]pyrazine7-ethyloctahydro-2H-pyrido[1,2-a]pyrazin-2-amine; 7-ethyloctahydro-2H-pyrido[1,2-a]pyrazin-2-ylamine26-formyl-2,15,17,27,29-pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.1(4,7).0(5,28)]triaconta-1(28),1(29),2,4,9,19,21,25,27-nonaen-13-yl acetate
