Isoko五十子ISOabbr.国际标准化组织(=International Standards Organization)isochondocuarine异谷树箭毒碱isoamyl valerate戊酸异戊酯isomorphic space同构空间isochronic stack等时叠加iso-amyrenonol异白檀烯酮醇isotypical genus同模属isobyakangelical异脱水比克白芷内酯isotonic mapping保序映射isomorphic group同构群isoerythrolaccin异红紫胶素