2 0-Demethoxy-20-((4-azidobenzoyl)oxy)maytansinol-3-isobutyrate

2 alpha-Tropanyl benzilate C-11

2'''-Hydroxychlorothricin

2'', 3''-Dihydrogeiparvarin

2'', 3, 3', 3'''-Tetramethyl-1, 1':4', 1'':4'', 1'''-quaterphenyl

2''-(Adenosine-5'-phosphoryl)tobramycin

2''-(Adenosine-5'-thiophosphoryl)tobramycin

2''-Amino-2''-deoxyarbekacin

2''-Amino-2''-deoxydibekacin

2''-Amino-5, 2''-dideoxy-5-epiaminoarbekacin

2''-Amino-5, 2''-dideoxyarbekacin

2''-Amino-5, 2''-dideoxydibekacin

2''-Formimidoylistamycin A

2''-Formimidoylistamycin B

2''-Galloylhyperin

2''-Hydroxycannabinol-7-oic acid

2''-N-Formimidoylistamycin A disulfate trihydrate

2''-N-Formimidoylistamycin B disulfate tetrahydrate

2''-N-Formimidoylsporaricin A

2''-O-Carbamylnovobiocin