Author's Organization:Central Research Laboratories, Sankyo Co., Ltd. Central Research Laboratories, Sankyo Co., Ltd. Central Research Laboratories, Sankyo Co., Ltd. Central Research Laboratories, Sankyo Co., Ltd.
Water-soluble derivatives of N-(2-chloroethyl)-N-nitrosourea were synthesized and their antitumor activity was tested against leukemia L-1210. Most of these compounds showed a high activity.