ATTRIBUTESGENERAL_CARDINALITYSINGLEATTRIBUTESTTYINCODESRxCUI2598123CODESSPL_SET_ID48e7e23a-014c-4259-a2c9-37127da3ba03CODESUNII_CODERIA79UD69LNAMESRXNAV_STRmethoxychlorNAMESRxNorm NamemethoxychlorSOURCESSourceMetathesaurus FDA Structured Product Labels