(R)-6-(L-2-(2-Amino-1,4,5,6-tetrahydro-4-pyrimidinyl)glycine)viomycin 33137-73-4 6-(L-2-(2-Amino-1,4,5,6-tetrahydro-4-pyrimidinyl)glycine)viomycin, (R)- BRN 0877989 Tuberactinomycin O Tuberactinomycin-O Viomycin, 6-(L-2-(2-amino-1,4,5,6-tetrahydro-4-pyrimidinyl)glycine)-, (R)-