. . . . . . . . . . . . . "experimental"@en . . . . . . . . "3(R)-METHYLCARBAMOYL-7-SULFOAMINO-3,4-DIHYDRO-1H-ISOQUINOLINE-2-CARBOXYLIC ACID TERT-BUTYL ESTER"@en . . . . . . . . . . . . . . .