Substituted arylpyrrole compounds

A compound having the formula I structure:

• ##STR85## wherein X is F, Cl, Br, I, or CF.sub.3 ;
• Y is F, Cl, Br, I, or CF.sub.3 or CN;
• W is CN or NO.sub.2 ;
• A is H;
• C.sub.1 -C.sub.4 alkyl optionally substituted with from one to three halogen atoms,
• one hydroxy,
• one C.sub.1 -C.sub.4 alkoxy,
• one C.sub.1 -C.sub.4 alkylthio,
• one phenyl optionally substituted with C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy, or one to three halogen atoms,
• one phenoxy optionally substituted with one to three halogen atoms, or
• one benzyloxy optionally substituted with one halogen substituent;
• C.sub.1 -C.sub.4 carbalkoxymethyl;
• C.sub.3 -C.sub.4 alkenyl optionally substituted with from one to three halogen atoms;
• cyano;
• C.sub.3 -C.sub.4 alkynyl optionally substituted with one halogen atom;
• di-(C.sub.1 -C.sub.4 alkyl) aminocarbonyl;
• or
• C.sub.4 -C.sub.6 cycloalkylaminocarbonyl;
• L is H, F, Cl, or Br;
• M and R are each independently H, C.sub.1 -C.sub.3 alkyl,
• C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio, C.sub.1 -C.sub.3 alkylsulfinyl,
• C.sub.1 -C.sub.3 alkylsulfonyl, cyano, F, Cl, Br, I, nitro,
• CF.sub.3, R.sub.1 CF.sub.2 Z, R.sub.2 CO or NR.sub.3 R.sub.4, or when M and R are on adjacent positions and taken with the carbon atoms to which they are attached they may form a ring in which MR represents the structure:
• --OCH.sub.2 O--, --OCF.sub.2 O-- or ##STR86## Z is S(O).sub.n or O;
• R.sub.1 is H, F, CHF.sub.2, CHFCl, or CF.sub.3 ;
• R.sub.2 is C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy, or NR.sub.3 R.sub.4 ;
• R.sub.3 is H or C.sub.1 -C.sub.3 alkyl;
• R.sub.4 is H, C.sub.1 -C.sub.3 alkyl, or R.sub.5 CO;
• R.sub.5 is H or C.sub.1 -C.sub.3 alkyl;
• and
• n is an integer of 0, 1 or 2.