2。R1, R2, R3, R4, R5, R6, R7, R9 and R10 are each independently from all others
H, halogen, CN, CONR13R14 or COOR14, or benzyl or C1-C20alkyl which are unsubstituted
or one or more times substituted by H, halogen, CN, CONR13R14 or COOR14; or R2 and/or
R9 are alternatively SO2NR13R14;
其中的which are定语从句中的which是指这些R基团呢还是指它前面的C1-C20烷基呢?
are each independently from all others怎么翻译?
unsubstituted和 substituted应该指benzyl or C1-C20alkyl,
are each independently from all others各自相互独立地 |