Marvin 07241213582D 2 1 0 0 0 0 999 V2000 10.7697 -30.6144 0.0000 N 0 3 0 0 0 0 0 0 0 0 0 0 9.9447 -30.6144 0.0000 R# 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 0 0 0 M CHG 1 1 1 M END > CHEBI:65296 > primary ammonium ion > An ammonium ion derivative resulting from the protonation of the nitrogen atom of a primary amino compound. Major species at pH 7.3. > 3 > substituted ammonium; a primary amine > H3NR > 17.031 > 17.02655 > 1 > [NH3+][*] $$$$