-CH3

-CH2-

>CH-

>C<

=CH2

=CH-

=C<

=C=

#CH

#C-

-CH2-(R)

>CH-(R)

>C<(R)

=CH-(R)

=C<(R)

F

Cl

Br

I

OH

OH(Ph)

-O-

-O-(R)

>C=O

>C=O(R)

O=CH-

-COOH

-COO-

=O

-NH2

>NH

>NH(R)

>N-

-N=

-N=(R)

=NH

-C#N

-NO2

-SH

-S-

-S-(R)

BP (exp)

K

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