# electrophile
E1 alkyl and aryl ketones and aldehydes [C;H1](=[O,S])[C,c]
E2 e.g. carboxylic esters [C,P;H1](=[O,S])[O,S]
E3 e.g. carbonates [C](=O)([C,c,O,S])[C,c,O,S]
E4exc C(=O)[OH1]
E5exc C(=O)[SH1]
E6 C(=[O,S])(N)Oc
E7 e.g., aryl carbamates C1(=O)NS(=O)(=O)[C,c]=,:[C,c]1
E8sub P(=O)[O,S]
E9exc P[OH1]
E10 [$E8sub;!$E9exc] [$(P(=O)[O,S]);!$(P[OH1])]
E11 c(=O)(~c)~c
E12exc [$(c1(=O)ccn([C,c])cc1),$(c1(=O)n([C,c])cccc1)]
E12 [$E11;!$E12exc] [$(c(=O)(~c)~c);!$([$(c1(=O)ccn([C,c])cc1),$(c1(=O)n([C,c])cccc1)])]
E13 imides C(=O)-N-C=O
electrophile [$E1,$E2,$E3,$E6,$E7,$E10,$E12,$E13;!$E4exc;!$E5exc] [$([C;H1](=[O,S])[C,c]),$([C,P;H1](=[O,S])[O,S]),$([C](=O)([C,c,O,S])[C,c,O,S]),$(C(=[O,S])(N)Oc),$(C1(=O)NS(=O)(=O)[C,c]=,:[C,c]1),$([$(P(=O)[O,S]);!$(P[OH1])]),$([$(c(=O)(~c)~c);!$([$(c1(=O)ccn([C,c])cc1),$(c1(=O)n([C,c])cccc1)])]),$(C(=O)-N-C=O);!$(C(=O)[OH1]);!$(C(=O)[SH1])]
