Iwai Y , Nakagawa , A . , Sadakane , N . , Omura , S . , Oiwa , H . , Matsumoto , S . , Takahashi , M . , Ikai , T . , Ochiai , Y . ( 1980 ) Herbimycin B , a new benzoquinoid ansamycin with anti - TMV and herbicidal activities . The Journal of Antibiotics , 33 ( 10 ) , pp 11 14 - 1119 .