– Bz-RS-ISer(3-Ph)-Ome (Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate) is a paclitaxel derivative that inhibits the HSV replication cycle at low cytotoxicity, blocks mitosis in Vero cells, affects the size of M-MSV-induced tumors, and influences the immune response by inhibiting PHA-induced proliferation of T lymphocytes.