68423-52-9
→
67938-56-1
harringtonine
+
26833-85-2
三尖杉酯碱
24316-19-6
三尖杉碱
68423-51-8
(Ξ)-4-benzyloxy-7,7-dimethyl-2-oxo-oxepane-4-carboxylic acid (3aR)-2-methoxy-(3arC4,14bc)-1,5,6,8,9,14b-hexahydro-4H-cyclopenta[b][1,3]dioxolo[4',5':4,5]benzo[1,2-d]pyrrolo[1,2-a]azepin-1t-yl ester
68423-50-7
4-benzyloxy-7,7-dimethyl-2-oxo-oxepane-4-carbonyl chloride