A steroid compound of the Formula (1):(see formula 1)wherein R1 represents a group selected from the group consisting of H, CH3,C2H5,C3H7 and CH (CH3)2, R2 represents a group selected from NH2, NHAc and OCOR1,R3represents a group selected from the group consisting of CH3, COOCH3 andCH2OCOR1.