(S)-3-(1-Methyl-2-pyrrolidinyl)pyridine 1-oxide 2820-55-5 BRN 4673416 NICOTINE, 1-OXIDE Nicotine 1-N-oxide Nicotine N-oxide Nicotine-N-oxide Nikotin-N-oxyd [German] Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, 1-oxide, (S)- (9CI)