(+)-Biotin N-hydroxysuccinimide ester
IOTIN-NHS; BIOTIN-NHS; 1-{[5-(2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoyl]oxy}pyrrolidine-2,5-dione; 1-({5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoyl}oxy)pyrrolidine-2,5-dione