(+)-2-Butylamine (S)-2-Aminobutane (S)-sec-Butylamine 2-BUTANAMINE, (S)- 2-Butanamine, (2S)- 2-Butanamine, (S)- (9CI) 513-49-5 776995-07-4 EINECS 208-164-7 S-2-Butylamine sec-Butylamine sec-Butylamine, (S)-