Patent ID: 8877784

Claim:
A compound having formula (I) or a pharmaceutically acceptable salt thereof wherein R 1 is pyridin-3-yl, or pyridin-4-yl; each of which is substituted with 1, 2, 3, 4 substituents as represented by R j ; R j , at each occurrence, is independently alkyl, alkenyl, alkynyl, —CN, halogen, —OR a , —NO 2 , —N(R a )(R b ), —N(R b )C(O)R a , —N(R b )S(O) 2 R 1a , —N(R b )C(O)OR a , —N(R b )C(O)N(R a )(R b ), —N(R b )S(O) 2 N(R a )(R b ), —C(O)R a , —C(O)OR a , —C(O)N(R a )(R b ), —SR a , —SF 5 , —S(O)R 1a , —S(O) 2 R 1a , —S(O) 2 OR 1a , —S(O) 2 N(R a )(R b ), —(CR d R e ) q —CN, haloalkyl, —(CR d R e ) q —OR a , —(CR d R e ) q —NO 2 , —(CR d R e ) q —N(R a )(R b ), —(CR d R e ) q —N(R b )C(O)R a , —(CR d R e ) q —N(R b )S(O) 2 R 1a , —(CR d R e ) q —N(R b )C(O)OR a , —(CR d R e ) q —N(R b )C(O)N(R a )(R b ), —(CR d R e ) q —N(R b )S(O) 2 N(R a )(R b ), —(CR d R e ) q —C(O)R a , —(CR d R e ) q —C(O)OR a , —(CR d R e ) q —C(O)N(R a )(R b ), —(CR d R e ) q —S(O) 2 R 1a , —(CR d R e ) q —S(O) 2 OR 1a , and —(CR d R e ) q —S(O) 2 N(R a )(R b ); R 2 is, C 1-6 alkyl, or haloalkyl; R 3 is ethyl Y is —OR f , R 1a , at each occurrence, is independently alkyl or haloalkyl; R a and R b , at each occurrence, are each independently hydrogen, alkyl, or haloalkyl; R d and R e , at each occurrence, are each independently hydrogen, alkyl, halogen, or haloalkyl; R f , at each occurrence, is independently, alkyl, or haloalkyl; and q is 1, 2, 3, or 4; with the proviso that the compound is not 1-(pyridin-3-yl)pent-1-en-3-one oxime; 1-(pyridin-4-yl)pent-1-en-3-one oxime; 1-(5-chloropyridin-3-yl)pent-1-en-3-one oxime; or 1-(3-chloropyridin-4-yl)pent-1-en-3-one oxime.