1 C6S (3r)-3-(cyclohexylcarbonylamino)-2-oxidanyl-3,4-dihydro-1,2-benzoxaborinine-8-carboxylic acid 1.000 2 OK3 (4~{R})-4-[[4-(aminomethyl)phenyl]carbonylamino]-3,3-bis(oxidanyl)-2-oxa-3-boranuidabicyclo[4.4.0]deca-1(10),6,8-triene-10-carboxylic acid 0.885